SELECT 
  cscart_seo_names.object_id AS product_id, 
  cscart_seo_names.name AS seo_name, 
  cscart_seo_names.path AS seo_path 
FROM 
  cscart_seo_names 
WHERE 
  cscart_seo_names.object_id IN (
    276627, 276628, 276629, 276630, 276631, 
    276632, 276633, 276634, 276635, 276636, 
    276637, 276638, 276639, 276640, 276641, 
    276642, 276643, 276644, 276645, 276646
  ) 
  AND cscart_seo_names.type = "p" 
  AND cscart_seo_names.dispatch = "" 
  AND cscart_seo_names.lang_code = 'en'

Query time 0.00074

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "14.70"
    },
    "table": {
      "table_name": "cscart_seo_names",
      "access_type": "range",
      "possible_keys": [
        "PRIMARY",
        "dispatch"
      ],
      "key": "PRIMARY",
      "used_key_parts": [
        "object_id",
        "type",
        "dispatch",
        "lang_code"
      ],
      "key_length": "206",
      "rows_examined_per_scan": 20,
      "rows_produced_per_join": 20,
      "filtered": "100.00",
      "index_condition": "((`s2cart`.`cscart_seo_names`.`object_id` in (276627,276628,276629,276630,276631,276632,276633,276634,276635,276636,276637,276638,276639,276640,276641,276642,276643,276644,276645,276646)) and (`s2cart`.`cscart_seo_names`.`type` = 'p') and (`s2cart`.`cscart_seo_names`.`dispatch` = '') and (`s2cart`.`cscart_seo_names`.`lang_code` = 'en'))",
      "cost_info": {
        "read_cost": "12.70",
        "eval_cost": "2.00",
        "prefix_cost": "14.70",
        "data_read_per_join": "33K"
      },
      "used_columns": [
        "name",
        "object_id",
        "type",
        "dispatch",
        "path",
        "lang_code"
      ]
    }
  }
}