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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 (
    10068, 10065, 10061, 10050, 10056, 10044, 
    10069, 10066, 12671, 12672, 15779, 
    12673, 12674, 12675, 12676, 12677, 
    12678, 12679, 10024, 10025, 10026, 
    10027, 10028, 10029, 10030, 10031, 
    10032, 10033, 10034, 10035, 10036, 
    10037
  )

Query time 0.00021

JSON explain

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