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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 (
    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
  ) 
  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 0.00031

JSON explain

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