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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 (
    73780, 73779, 73756, 73689, 73597, 73339, 
    73242, 73628, 73776, 73775, 73774, 
    73773, 73772, 73771, 73770, 73769, 
    73768, 73767, 73766, 73765, 73764, 
    73763, 73762, 73761, 73760, 73759, 
    73288, 73311, 73283, 73282, 73281, 
    73280, 73279, 73278, 73624, 73596, 
    73595, 73338, 73216, 73215
  )

Query time 0.00022

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