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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 (
    19024, 19129, 18885, 19039, 20770, 20433, 
    20512, 19707, 19710, 20729, 19548, 
    19471, 10846, 8669, 8670, 7515, 9721, 
    9286, 7608, 19046, 19537, 19047, 19417, 
    20514, 20538, 20515, 20539, 20732, 
    20733, 19072, 20525, 20526, 9539
  )

Query time 0.00052

JSON explain

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