SELECT 
  cscart_pages.*, 
  cscart_page_descriptions.*, 
  cscart_seo_names.name as seo_name, 
  cscart_seo_names.path as seo_path 
FROM 
  cscart_pages 
  INNER JOIN cscart_page_descriptions ON cscart_pages.page_id = cscart_page_descriptions.page_id 
  LEFT JOIN cscart_seo_names ON cscart_seo_names.object_id = cscart_pages.page_id 
  AND cscart_seo_names.type = 'a' 
  AND cscart_seo_names.dispatch = '' 
  AND cscart_seo_names.lang_code = 'tr' 
WHERE 
  cscart_pages.page_id = 7 
  AND cscart_page_descriptions.lang_code = 'tr' 
  AND (
    cscart_pages.usergroup_ids = '' 
    OR FIND_IN_SET(0, cscart_pages.usergroup_ids) 
    OR FIND_IN_SET(1, cscart_pages.usergroup_ids)
  ) 
  AND cscart_pages.page_type IN ('T', 'L', 'B', 'F')

Query time 0.00025

Explain
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE cscart_pages const PRIMARY PRIMARY 3 const 1
1 SIMPLE cscart_page_descriptions const PRIMARY PRIMARY 9 const,const 1
1 SIMPLE cscart_seo_names ref PRIMARY,dispatch PRIMARY 206 const,const,const,const 1 Using where

Result

page_id company_id parent_id id_path status page_type position timestamp usergroup_ids localization new_window use_avail_period avail_from_timestamp avail_till_timestamp facebook_obj_type lang_code page description meta_keywords meta_description page_title link seo_name seo_path
7 0 0 7 A B 0 1415336000 0 0 N 0 0 tr Blog blog