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 (
    4087, 4088, 4089, 4090, 4091, 4092, 4093, 
    3122, 6675, 6696, 6703, 3118, 3111, 
    3124, 3112, 324, 6704, 6709, 6946, 4177, 
    6945, 338, 331, 6705, 3932, 3134, 3116, 
    3126, 6673, 6679, 6691, 3155, 3131, 
    310, 303, 3939, 317, 3132, 3143, 3130, 
    3129, 3121, 3128, 6681, 6695, 3098, 
    3115, 6690
  ) 
  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"
  }
}