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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 (
    1947, 1458, 1460, 1464, 1455, 1382, 1385, 
    1383, 1386, 25, 1758, 1757, 1734, 1254, 
    1684, 1379, 1378, 1792, 1791, 1793, 
    1789, 1716, 1714, 1715, 1720, 1719, 
    1722, 1713, 1718, 1717, 1867, 1721, 
    1685, 1207, 1210, 1203, 1389, 1188, 
    1190, 1209, 1186, 1852, 1456, 1457, 
    1045, 1046, 1187, 1577, 1194, 368, 1253
  )

Query time 0.00060

JSON explain

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