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SELECT 
  product_id, 
  amount 
FROM 
  cscart_warehouses_sum_products_amount 
WHERE 
  1 
  AND product_id IN (
    276553, 276572, 276573, 276574, 276575, 
    276588, 276589, 276590, 276591, 276592, 
    276593, 276594, 276595, 276596, 276597, 
    276598, 276599, 276600, 276601, 276602
  )

Query time 0.00013

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}