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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 (
    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, 172, 173, 174, 250, 251, 
    252, 253, 254, 255, 256
  ) 
  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 0.00042

JSON explain

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