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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 (
    514, 1505, 1506, 1507, 1508, 1509, 1510, 
    1511, 1512, 1513, 1514, 1515, 1516, 
    1526, 1527, 1528, 1529, 1530, 1531, 
    1532, 1533, 1534, 1535, 1536, 3675, 
    3727, 3728, 3730, 3731, 5210, 5211, 
    5212, 5213, 5214, 5215, 5216, 5217, 
    5218, 5219, 5228, 5229, 5230, 5231, 
    5232, 5233, 5234, 5235, 5236, 7496, 
    7497, 7500, 7501, 7506, 7507, 7528, 
    7529
  ) 
  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 0.00023

JSON explain

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