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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 (
    69132, 69131, 69252, 69412, 69405, 69404, 
    68938, 68937, 68936, 68934, 68933, 
    68932, 68931, 68930, 68929, 68928, 
    68927, 68926, 68925, 68924, 68923, 
    68922, 68918, 68917, 68915, 68913, 
    68857, 68856, 68855, 68854, 68853, 
    68852, 68851, 68849, 68846, 68842, 
    68841, 68840, 68839, 69286
  )

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