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 (
    1759, 1760, 1761, 1762, 1763, 1764, 1766, 
    1767, 1768, 1769, 3739, 3740, 3741, 
    3742, 5415, 5416, 5417, 5418, 5419, 
    5420, 5421, 5422, 5423, 5424, 5425, 
    5426, 5427, 5428, 5429, 5430, 5431, 
    5432, 5433, 5434, 5435, 5436, 5437, 
    5438, 5439, 5440, 5441, 5442, 5443, 
    5444, 5445, 5446, 5447, 5448
  ) 
  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 0.00026

JSON explain

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