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 (
    62636, 62635, 62634, 62633, 62632, 62631, 
    62630, 62629, 62628, 62627, 62626, 
    62625, 62611, 62609, 62607, 62569, 
    62456, 61887, 60269, 62370, 62342, 
    62098, 62097, 61770, 61769, 61704, 
    60784, 60268, 62217, 61403, 61442, 
    62055, 61886, 61768, 60787, 60267, 
    62105, 61512, 62019, 61960
  )

Query time 0.00021

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