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SELECT 
  cscart_ult_product_prices.product_id, 
  MIN(
    IF(
      cscart_ult_product_prices.percentage_discount = 0, 
      cscart_ult_product_prices.price, 
      cscart_ult_product_prices.price - (
        cscart_ult_product_prices.price * cscart_ult_product_prices.percentage_discount
      )/ 100
    )
  ) AS price 
FROM 
  cscart_ult_product_prices 
WHERE 
  cscart_ult_product_prices.product_id IN (
    4146, 4147, 4148, 4195, 4196, 4197, 4198, 
    4199, 4200, 4201, 6716, 6715, 3117, 
    3119, 3127, 3133, 3141, 3142, 6674, 
    6680, 6692, 6693, 6701, 6707, 1417, 
    1393, 1394, 1395, 1396, 1397, 1398, 
    1399, 1400, 1401, 1402, 1403, 1404, 
    1405, 1406, 1407, 1408, 1409, 1410, 
    1411, 1412, 1413, 1414, 1415
  ) 
  AND cscart_ult_product_prices.lower_limit = 1 
  AND cscart_ult_product_prices.company_id = 1 
  AND cscart_ult_product_prices.usergroup_id IN (0, 0, 1) 
GROUP BY 
  cscart_ult_product_prices.product_id

Query time 0.00035

JSON explain

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