SELECT 
  MIN(prices.price) as ab__min_price, 
  MAX(prices.price) as ab__max_price 
FROM 
  cscart_products as products 
  LEFT JOIN cscart_product_descriptions as descr1 ON descr1.product_id = products.product_id 
  AND descr1.lang_code = 'en' 
  LEFT JOIN cscart_product_prices as prices ON prices.product_id = products.product_id 
  AND prices.lower_limit = 1 
  LEFT JOIN cscart_companies AS companies ON companies.company_id = products.company_id 
  INNER JOIN cscart_products_categories as products_categories ON products_categories.product_id = products.product_id 
  INNER JOIN cscart_categories ON cscart_categories.category_id = products_categories.category_id 
  AND (
    cscart_categories.usergroup_ids = '' 
    OR FIND_IN_SET(
      0, cscart_categories.usergroup_ids
    ) 
    OR FIND_IN_SET(
      1, cscart_categories.usergroup_ids
    )
  ) 
  AND cscart_categories.status IN ('A', 'H') 
  AND cscart_categories.storefront_id IN (0, 1) 
  LEFT JOIN cscart_warehouses_sum_products_amount as war_sum_amount ON war_sum_amount.product_id = products.product_id 
  LEFT JOIN cscart_master_products_storefront_offers_count AS master_products_storefront_offers_count ON master_products_storefront_offers_count.product_id = products.product_id 
  AND master_products_storefront_offers_count.storefront_id = 1 
  LEFT JOIN cscart_master_products_storefront_min_price ON cscart_master_products_storefront_min_price.product_id = prices.product_id 
  AND cscart_master_products_storefront_min_price.storefront_id = 1 
WHERE 
  prices.price > 0 
  AND cscart_categories.category_id IN (
    2878, 2879, 2880, 2881, 2882, 2883, 2884, 
    2885, 2886, 2887, 2888, 2889, 2890, 
    2891, 2892, 2893, 2894, 2895, 2896, 
    2897, 2898, 2899, 2900, 2901, 2902, 
    2903, 2904, 2905, 2906, 2907, 2908, 
    2909, 2910, 2911, 2912, 2913, 2914, 
    2915, 2916, 2917, 2918, 2919, 2920, 
    2921
  ) 
  AND (
    companies.status IN ('A', 'S') 
    OR products.company_id = 0
  ) 
  AND products.company_id IN (137, 138, 146, 0) 
  AND (
    products.usergroup_ids = '' 
    OR FIND_IN_SET(0, products.usergroup_ids) 
    OR FIND_IN_SET(1, products.usergroup_ids)
  ) 
  AND products.status IN ('A') 
  AND prices.usergroup_id IN (0, 0, 1) 
  AND products.master_product_status IN ('A') 
  AND products.master_product_id = 0 
  AND (
    products.company_id > 0 
    OR (
      master_products_storefront_offers_count.count > 0
    )
  )

Query time 0.01451

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "1153.54"
    },
    "nested_loop": [
      {
        "table": {
          "table_name": "war_sum_amount",
          "access_type": "system",
          "possible_keys": [
            "PRIMARY"
          ],
          "rows_examined_per_scan": 0,
          "rows_produced_per_join": 1,
          "filtered": "0.00",
          "const_row_not_found": true,
          "cost_info": {
            "read_cost": "0.00",
            "eval_cost": "0.10",
            "prefix_cost": "0.00",
            "data_read_per_join": "16"
          },
          "used_columns": [
            "product_id"
          ]
        }
      },
      {
        "table": {
          "table_name": "master_products_storefront_offers_count",
          "access_type": "system",
          "possible_keys": [
            "PRIMARY",
            "idx_storefront_id"
          ],
          "rows_examined_per_scan": 0,
          "rows_produced_per_join": 1,
          "filtered": "0.00",
          "const_row_not_found": true,
          "cost_info": {
            "read_cost": "0.00",
            "eval_cost": "0.10",
            "prefix_cost": "0.00",
            "data_read_per_join": "16"
          },
          "used_columns": [
            "storefront_id",
            "product_id",
            "count"
          ]
        }
      },
      {
        "table": {
          "table_name": "cscart_master_products_storefront_min_price",
          "access_type": "system",
          "possible_keys": [
            "PRIMARY"
          ],
          "rows_examined_per_scan": 0,
          "rows_produced_per_join": 1,
          "filtered": "0.00",
          "const_row_not_found": true,
          "cost_info": {
            "read_cost": "0.00",
            "eval_cost": "0.10",
            "prefix_cost": "0.00",
            "data_read_per_join": "16"
          },
          "used_columns": [
            "storefront_id",
            "product_id"
          ]
        }
      },
      {
        "table": {
          "table_name": "cscart_categories",
          "access_type": "range",
          "possible_keys": [
            "PRIMARY",
            "c_status",
            "p_category_id"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "category_id"
          ],
          "key_length": "3",
          "rows_examined_per_scan": 44,
          "rows_produced_per_join": 1,
          "filtered": "4.00",
          "index_condition": "(`s2cart`.`cscart_categories`.`category_id` in (2878,2879,2880,2881,2882,2883,2884,2885,2886,2887,2888,2889,2890,2891,2892,2893,2894,2895,2896,2897,2898,2899,2900,2901,2902,2903,2904,2905,2906,2907,2908,2909,2910,2911,2912,2913,2914,2915,2916,2917,2918,2919,2920,2921))",
          "cost_info": {
            "read_cost": "30.63",
            "eval_cost": "0.18",
            "prefix_cost": "30.81",
            "data_read_per_join": "6K"
          },
          "used_columns": [
            "category_id",
            "usergroup_ids",
            "status",
            "storefront_id"
          ],
          "attached_condition": "(((`s2cart`.`cscart_categories`.`usergroup_ids` = '') or (0 <> find_in_set(0,`s2cart`.`cscart_categories`.`usergroup_ids`)) or (0 <> find_in_set(1,`s2cart`.`cscart_categories`.`usergroup_ids`))) and (`s2cart`.`cscart_categories`.`status` in ('A','H')) and (`s2cart`.`cscart_categories`.`storefront_id` in (0,1)))"
        }
      },
      {
        "table": {
          "table_name": "products_categories",
          "access_type": "ref",
          "possible_keys": [
            "PRIMARY",
            "pt"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "category_id"
          ],
          "key_length": "3",
          "ref": [
            "s2cart.cscart_categories.category_id"
          ],
          "rows_examined_per_scan": 2728,
          "rows_produced_per_join": 4801,
          "filtered": "100.00",
          "using_index": true,
          "cost_info": {
            "read_cost": "30.44",
            "eval_cost": "480.13",
            "prefix_cost": "541.38",
            "data_read_per_join": "75K"
          },
          "used_columns": [
            "product_id",
            "category_id"
          ]
        }
      },
      {
        "table": {
          "table_name": "products",
          "access_type": "eq_ref",
          "possible_keys": [
            "PRIMARY",
            "status",
            "idx_master_product_id"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "product_id"
          ],
          "key_length": "3",
          "ref": [
            "s2cart.products_categories.product_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 240,
          "filtered": "5.00",
          "cost_info": {
            "read_cost": "0.00",
            "eval_cost": "24.01",
            "prefix_cost": "1021.50",
            "data_read_per_join": "1M"
          },
          "used_columns": [
            "product_id",
            "status",
            "company_id",
            "usergroup_ids",
            "master_product_id",
            "master_product_status"
          ],
          "attached_condition": "((`s2cart`.`products`.`master_product_id` = 0) and (`s2cart`.`products`.`company_id` in (137,138,146,0)) and ((`s2cart`.`products`.`usergroup_ids` = '') or (0 <> find_in_set(0,`s2cart`.`products`.`usergroup_ids`)) or (0 <> find_in_set(1,`s2cart`.`products`.`usergroup_ids`))) and (`s2cart`.`products`.`status` = 'A') and (`s2cart`.`products`.`master_product_status` = 'A') and ((`s2cart`.`products`.`company_id` > 0) or <cache>((NULL > 0))))"
        }
      },
      {
        "table": {
          "table_name": "companies",
          "access_type": "eq_ref",
          "possible_keys": [
            "PRIMARY"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "company_id"
          ],
          "key_length": "4",
          "ref": [
            "s2cart.products.company_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 240,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "0.00",
            "eval_cost": "24.01",
            "prefix_cost": "1045.51",
            "data_read_per_join": "2M"
          },
          "used_columns": [
            "company_id",
            "status"
          ],
          "attached_condition": "<if>(found_match(companies), ((`s2cart`.`companies`.`status` in ('A','S')) or (`s2cart`.`products`.`company_id` = 0)), true)"
        }
      },
      {
        "table": {
          "table_name": "descr1",
          "access_type": "eq_ref",
          "possible_keys": [
            "PRIMARY",
            "product_id"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "product_id",
            "lang_code"
          ],
          "key_length": "9",
          "ref": [
            "s2cart.products_categories.product_id",
            "const"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 240,
          "filtered": "100.00",
          "using_index": true,
          "cost_info": {
            "read_cost": "0.00",
            "eval_cost": "24.01",
            "prefix_cost": "1069.52",
            "data_read_per_join": "1M"
          },
          "used_columns": [
            "product_id",
            "lang_code"
          ]
        }
      },
      {
        "table": {
          "table_name": "prices",
          "access_type": "ref",
          "possible_keys": [
            "usergroup",
            "product_id",
            "lower_limit",
            "usergroup_id"
          ],
          "key": "product_id",
          "used_key_parts": [
            "product_id"
          ],
          "key_length": "3",
          "ref": [
            "s2cart.products_categories.product_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 80,
          "filtered": "33.33",
          "cost_info": {
            "read_cost": "60.02",
            "eval_cost": "8.00",
            "prefix_cost": "1153.54",
            "data_read_per_join": "1K"
          },
          "used_columns": [
            "product_id",
            "price",
            "lower_limit",
            "usergroup_id"
          ],
          "attached_condition": "((`s2cart`.`prices`.`lower_limit` = 1) and (`s2cart`.`prices`.`price` > 0.00) and (`s2cart`.`prices`.`usergroup_id` in (0,0,1)))"
        }
      }
    ]
  }
}