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 (
    10320, 10321, 10322, 9690, 10106, 10105, 
    10104, 10103, 10206, 10209, 10216, 
    10203, 10204, 10205, 10207, 10208, 
    10210, 10211, 10212, 10213, 10214, 
    10215, 10217, 10218, 10219, 10220, 
    10221, 10222, 10323, 10324, 10325, 
    10326, 10327, 10328, 10329, 10330, 
    10331, 10332, 10333, 10334, 10335, 
    10336, 10337, 10338, 10339, 10340, 
    10341, 10342, 10778, 10779, 10780, 
    10781, 10782, 10783, 10784, 10785, 
    10786, 10787, 10788, 10789, 10790, 
    10791, 9688, 10792
  ) 
  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 0.00027

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}