SELECT 
  cscart_categories.category_id, 
  cscart_categories.parent_id, 
  cscart_categories.id_path, 
  cscart_category_descriptions.category, 
  cscart_categories.position, 
  cscart_categories.status, 
  cscart_categories.company_id, 
  cscart_seo_names.name as seo_name, 
  cscart_seo_names.path as seo_path 
FROM 
  cscart_categories 
  LEFT JOIN cscart_category_descriptions ON cscart_categories.category_id = cscart_category_descriptions.category_id 
  AND cscart_category_descriptions.lang_code = 'de' 
  LEFT JOIN cscart_seo_names ON cscart_seo_names.object_id = cscart_categories.category_id 
  AND cscart_seo_names.type = 'c' 
  AND cscart_seo_names.dispatch = '' 
  AND cscart_seo_names.lang_code = 'de' 
  AND cscart_seo_names.company_id = cscart_categories.company_id 
WHERE 
  1 
  AND (
    cscart_categories.usergroup_ids = '' 
    OR FIND_IN_SET(
      0, cscart_categories.usergroup_ids
    ) 
    OR FIND_IN_SET(
      1, cscart_categories.usergroup_ids
    )
  ) 
  AND cscart_categories.status IN ('A') 
  AND cscart_categories.id_path LIKE '415/%' 
  AND cscart_categories.company_id = 1 
ORDER BY 
  cscart_categories.is_trash asc, 
  cscart_categories.position asc, 
  cscart_category_descriptions.category asc

Query time 0.00093

Explain
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE cscart_categories range c_status,id_path,idx_id_path id_path 767 9 Using index condition; Using where; Using temporary; Using filesort
1 SIMPLE cscart_category_descriptions eq_ref PRIMARY PRIMARY 9 mahm3t_cs443.cscart_categories.category_id,const 1 Using where
1 SIMPLE cscart_seo_names eq_ref PRIMARY,dispatch PRIMARY 210 mahm3t_cs443.cscart_categories.category_id,const,const,const,const 1 Using where

Result

category_id parent_id id_path category position status company_id seo_name seo_path
915 421 415/421/915 Fassadendämmung, WDVS Pakete 1 A 1 wdvs-pakete 415/421
435 421 415/421/435 EPS - Styropor 10 A 1 daemmplatten 415/421
886 425 415/425/886 EPS - Styropor 10 A 1 eps-styropor 415/425
443 428 415/428/443 EPS - Styropor 10 A 1 eps-styropor 415/428
421 415 415/421 Fassadendämmung und WDVS 10 A 1 fassade-wdvs 415
425 415 415/425 Dachdämmung 20 A 1 dachdaemmung 415
881 421 415/421/881 Mineralwolle 20 A 1 dammplatten-aus-mineralwolle 415/421
440 425 415/425/440 Mineralwolle 20 A 1 mineralwolle 415/425
888 421 415/421/888 PIR Hartschaum 25 A 1 polyisocyanurat-hartschaum 415/421
428 415 415/428 Bodendämmung 30 A 1 bodendaemmung 415
450 421 415/421/450 Klebe- und Armierungsmörtel 30 A 1 moertel 415/421
889 425 415/425/889 PIR Hartschaum 30 A 1 polyisocyanurat-hartschaum 415/425
887 428 415/428/887 PIR Hartschaum 30 A 1 polyisocyanurat-hartschaum 415/428
460 421 415/421/460 WDVS Putze 40 A 1 putze 415/421
467 421 415/421/467 Fassadenfarben 50 A 1 farben 415/421
471 421 415/421/471 Zubehör 60 A 1 wdvs-zubehoer 415/421