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 (
    5400, 5401, 5402, 5403, 5404, 5405, 5406, 
    5407, 5408, 5409, 5410, 5411, 5412, 
    5413, 5414, 6728, 515, 3156, 3676, 5131, 
    1654, 1655, 1656, 1657, 1658, 1659, 
    1660, 1661, 1662, 1663, 1664, 1665, 
    1666, 1667, 1668, 1669, 1670, 1671, 
    2220, 2221, 2222, 2223, 5353, 5354, 
    5355, 5356, 5357, 5358
  ) 
  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 0.00030

JSON explain

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