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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 (
    5685, 5686, 5687, 5688, 5689, 5690, 5691, 
    5692, 5693, 5694, 5695, 5696, 5697, 
    5698, 5699, 5700, 5701, 5702, 5703, 
    5704, 5705, 5706, 5707, 5708, 5709, 
    5710, 5711, 5712, 5713, 5714, 5715, 
    5716, 5717, 5718, 5719, 5720, 5721, 
    1479, 1480, 1481, 1482, 1483, 5188, 
    5189, 5190, 5191, 5192, 5193, 1467, 
    1468, 1469, 1470, 1471, 5176, 5177, 
    5178, 5179, 5180, 5181, 447, 448, 449, 
    450, 451, 452, 453, 454, 455, 1932, 1933, 
    1934, 1935, 1936, 1937, 1938, 1939, 
    1940, 1941, 1942, 1943, 1944, 1945, 
    1946, 1947, 1948, 1949, 1950, 1951, 
    1952, 1953, 1954, 1955, 1956, 1957, 
    1958, 1959
  ) 
  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 0.00035

JSON explain

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