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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 (
    112, 113, 114, 115, 116, 117, 210, 211, 
    212, 213, 214, 215, 216, 217, 218, 219, 
    220, 221, 222, 223, 278, 279, 280, 281, 
    282, 283, 284, 332, 333, 334, 335, 336, 
    337, 3915, 3916, 3917, 3918, 3919, 3920, 
    3921, 3968, 3969, 3970, 3971, 3972, 
    3973, 3974, 4020
  ) 
  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"
  }
}