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 (
    327, 328, 329, 330, 415, 416, 417, 418, 
    3616, 3617, 3618, 4080, 4081, 4082, 
    4083, 4084, 4085, 4086, 4156, 4157, 
    4158, 4159, 4160, 4161, 4162, 4209, 
    4210, 4211, 4212, 4213, 4214, 4215, 
    3102, 3110, 6670, 6685, 6698, 3095, 
    3101, 3108, 6683, 6697, 3099, 19, 20, 
    21, 3929, 3930, 3931, 6724, 3100, 3106, 
    3114, 3120, 3125, 3153, 3154, 6672, 
    6688, 6689, 6694, 6702, 6706, 6708, 
    6726, 6725, 3103, 3097, 3113, 6687, 
    6699, 36, 37, 38, 39, 40, 41, 42, 83, 84, 
    85, 86, 87, 88, 89, 147, 148, 149, 150, 
    151, 152, 153, 168, 169, 170, 171
  ) 
  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 0.00038

JSON explain

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