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SELECT 
  *, 
  cscart_seo_names.name as seo_name, 
  cscart_seo_names.path as seo_path 
FROM 
  cscart_categories 
  LEFT JOIN cscart_category_descriptions ON cscart_category_descriptions.category_id = cscart_categories.category_id 
  AND cscart_category_descriptions.lang_code = 'tr' 
  LEFT JOIN cscart_seo_names ON cscart_seo_names.object_id = 734 
  AND cscart_seo_names.type = 'c' 
  AND cscart_seo_names.dispatch = '' 
  AND cscart_seo_names.lang_code = 'tr' 
WHERE 
  cscart_categories.category_id = 734 
  AND (
    cscart_categories.usergroup_ids = '' 
    OR FIND_IN_SET(
      0, cscart_categories.usergroup_ids
    ) 
    OR FIND_IN_SET(
      1, cscart_categories.usergroup_ids
    )
  )

Query time 0.00029

Explain
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	cscart_categories	const	PRIMARY,c_status,p_category_id	PRIMARY	3	const	1
1	SIMPLE	cscart_category_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

category_id	parent_id	id_path	level	company_id	storefront_id	usergroup_ids	status	product_count	position	timestamp	is_op	localization	age_verification	age_limit	parent_age_verification	parent_age_limit	selected_views	default_view	product_details_view	product_columns	is_trash	is_default	category_type	tenant_id	xml_external_category_id	lang_code	category	description	meta_keywords	meta_description	page_title	age_warning_message	name	object_id	type	dispatch	path	seo_name	seo_path
734	557	603/557/734	3	0	0	0	A	28	10	0	N		N	0	N	0				0	N	N	C	0		tr	Motor Su Radyatörü						motor-su-radyatoru	734	c		603/557	motor-su-radyatoru	603/557