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SELECT 
  cscart_categories.*, 
  cscart_category_descriptions.*, 
  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 = 'en' 
  LEFT JOIN cscart_seo_names ON cscart_seo_names.object_id = 513 
  AND cscart_seo_names.type = 'c' 
  AND cscart_seo_names.dispatch = '' 
  AND cscart_seo_names.lang_code = 'en' 
  AND cscart_seo_names.company_id = cscart_categories.company_id 
WHERE 
  cscart_categories.category_id = 513 
  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.company_id = 1

Query time 0.00035

Explain
id	select_type	table	type	possible_keys	key	key_len	ref	rows
1	SIMPLE	cscart_categories	const	PRIMARY,c_status,p_category_id,idx_category_id	PRIMARY	3	const	1
1	SIMPLE	cscart_category_descriptions	const	PRIMARY	PRIMARY	9	const,const	1
1	SIMPLE	cscart_seo_names	const	PRIMARY,dispatch	PRIMARY	210	const,const,const,const,const	1

Result

category_id	parent_id	id_path	level	company_id	usergroup_ids	status	product_count	position	timestamp	size_chart_id	is_op	localization	age_verification	age_limit	parent_age_verification	parent_age_limit	selected_views	default_view	product_details_view	product_columns	is_trash	staff_notes	action	lang_code	category	description	meta_keywords	meta_description	page_title	age_warning_message	custom_header	seo_name	seo_path
513	0	513	1	1	0	A	0	15	1386111600	0	N		N	0	N	0			default	0	N			en	Windows	<h2>We would like to present wide range of facade windows and external shutters:</h2> <p style="text-align:justify;">We offer a proven quality tailor made PVC facade windows: VEKA, REHAU, SCHÜCO. Multi-chamber profiles, reinforced with steel, make the window solid and stabile. Many available profile colors allow to adjust the window not only to interior design, but also to the facade color. In our offer you can find vertical windows with tilt and turn opening, turn only, sliding door, patio door, HST. If you are looking for blacony door or door opened to the outside - we can also offer this for you. There is a possibility of choosing standard double or triple glazing, but also safe glass such as laminated glass or hardened glass and anti-blulglary glass. Many types of handles will also allow to complete total look of the window. We can offer not only standard square or rectangle shapes but also triangular, or round. As a suplementary accessory we can advice exterior shutters both, manual operated and electric opwered, that will give you home-privacy, and as well make the house more safe. Write us an inquiry and we will send back the offer.</p>	window, PVC, VEKA, REHAU, SCHUCO, laminated glass, hardened glass, sound proof glass, safe glass, triple glass, double glass, balcony, terrace, patio, sliding door, window shutter, rolling gate, somfy	✓VEKA, REHAU, SCHUCO profile ✓PVC facade windows ✓tailor made windows ✓vertical windows ✓tilt and turn wndows ✓balcony door ✓sliding door ✓HST ✓patio door ✓window sutter ✓rolling gate ✓double glazed ✓triple glazed ✓passive house	Facade windows and exterior window shutters \| baubay.de			windows