Sandbox

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 (
    95076, 94797, 94796, 94795, 94794, 94793, 
    94791, 94790, 94789, 94788, 94787, 
    94786, 94785, 94784, 94783, 94782, 
    94781, 94780, 94779, 94778, 96126, 
    96125, 96124, 96123, 96122, 95224, 
    94769, 94768, 94767, 94765, 94764, 
    94763, 94762, 94761, 94754, 94753, 
    94746, 94745, 94744, 94743
  )

Query time 0.00023

Explain
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	p	ALL	PRIMARY,idx_group_id				376	Using where
1	SIMPLE	g	eq_ref	PRIMARY	PRIMARY	3	toolboxdigitalshop_dev.p.group_id	1
1	SIMPLE	f	ref	idx_group_id	idx_group_id	3	toolboxdigitalshop_dev.p.group_id	7