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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 (
    1829, 1830, 1831, 1832, 1833, 1834, 1835, 
    1836, 1837, 1838, 1839, 1840, 1841, 
    1842, 1843, 1844, 1845, 1846, 1847, 
    1848, 1849, 1850, 1851, 1852, 1853, 
    1854, 1855, 1856, 1857, 1858, 1859, 
    1860, 1861, 1862, 1863, 1864, 1865, 
    1866, 1867, 1868, 1869, 1870, 1871, 
    1872, 1874, 1875, 1876, 1877
  ) 
  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 0.00026

JSON explain

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