Sandbox

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 (
    6710, 1721, 1722, 1723, 1724, 1725, 1726, 
    1727, 1728, 1729, 1730, 1731, 1732, 
    1733, 1734, 1735, 1736, 1737, 1738, 
    1739, 1740, 1741, 1742, 1743, 1744, 
    1745, 1746, 1747, 1748, 1749, 1750, 
    1751, 1752, 1753, 1754, 1755, 1756, 
    1757, 1758, 1759, 1760, 1761, 1762, 
    1763, 1764, 1766, 1767, 1768
  ) 
  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 0.00033

JSON explain

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