SELECT 
  filter_id, 
  feature_id 
FROM 
  cscart_product_filters 
  INNER JOIN cscart_ult_objects_sharing ON (
    cscart_ult_objects_sharing.share_object_id = cscart_product_filters.filter_id 
    AND cscart_ult_objects_sharing.share_company_id = 1 
    AND cscart_ult_objects_sharing.share_object_type = 'product_filters'
  ) 
WHERE 
  status = 'A'

Query time 0.00039

Explain
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE cscart_product_filters ALL PRIMARY 7 Using where
1 SIMPLE cscart_ult_objects_sharing eq_ref PRIMARY PRIMARY 159 cscart_dev_4_16.cscart_product_filters.filter_id,const,const 1 Using where; Using index

Result

filter_id feature_id
1 0
7 15
8 16
9 17
10 18
313 549
312 548