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 (
    134, 135, 136, 137, 138, 139, 240, 241, 
    242, 293, 294, 295, 296, 3520, 3521, 
    3522, 3523, 3524, 3936, 3937, 3938, 
    3983, 3984, 4042, 4043, 4044, 4124, 
    4125, 4126, 4127, 4178, 4179, 4180, 
    43, 44, 45, 46, 47, 48, 49, 90, 91, 92, 
    93, 94, 95, 96, 154
  ) 
  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,
    "message": "no matching row in const table"
  }
}