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SELECT 
  f.feature_id, 
  f.purpose, 
  p.product_id, 
  p.parent_product_id, 
  g.id, 
  g.code 
FROM 
  cscart_product_variation_group_features AS f 
  INNER JOIN cscart_product_variation_groups AS g ON f.group_id = g.id 
  INNER JOIN cscart_product_variation_group_products AS p ON f.group_id = p.group_id 
WHERE 
  p.product_id IN (
    1705, 1704, 1609, 1935, 1936, 1929, 1528, 
    1527, 1526, 1508, 1534, 1533, 1841, 
    1531, 1529, 1530, 1843, 1532, 1515, 
    1904, 1873, 1897, 1896, 1728, 1607, 
    1608, 1606, 1703, 1578, 1396, 1605, 
    1206, 1586, 1934, 1932, 1933, 1656, 
    1542, 1640, 1543, 1655, 1927, 1926, 
    1815, 1808, 1541, 1829, 1828, 1675, 
    1931, 1544, 1845, 1540, 1512, 1525, 
    1536, 1538, 1937, 1581, 1582, 1838, 
    1938, 1830, 1514, 1835, 1678, 1693, 
    1711, 1699, 1698, 1869, 1834, 1833, 
    1928, 1537, 1539, 1436, 1411, 1397, 
    1741, 1330, 1486, 1546, 1651, 1661, 
    255, 1742, 1598, 1565, 1597, 1708, 1694, 
    1732, 1596, 1632, 1618
  )

Query time 0.00068

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}