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 (
    2760, 2761, 2762, 2763, 2764, 6348, 6349, 
    6350, 6351, 2756, 2757, 2758, 2759, 
    6343, 6344, 6345, 6346, 6347, 2818, 
    2819, 2820, 2821, 2822, 6404, 6405, 
    6406, 6407, 2933, 2934, 2935, 2936, 
    6517, 6518, 6519, 6520, 6521, 2510, 
    2511, 2512, 2513, 3837, 3838, 3839, 
    6109, 6110, 2277, 2278, 2279, 2280, 
    2327, 2328, 2329, 2330, 2394, 2395, 
    2396, 2397, 2398, 2399, 2400, 2401, 
    2402, 2505, 2506, 2507, 2508, 5876, 
    5877, 5878, 5879, 5880, 5926, 5927, 
    5928, 5929, 5930, 5994, 5995, 5996, 
    5997, 5998, 5999, 6000, 6001, 6002, 
    6105, 6106, 6107, 6108, 1653, 2224, 
    1599, 1572, 2603, 6191, 2509
  ) 
  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 0.00034

JSON explain

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