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SELECT 
  company_descriptions.*, 
  companies.*, 
  cscart_vendor_plan_descriptions.plan, 
  cscart_seo_names.name as seo_name, 
  cscart_seo_names.path as seo_path, 
  CAST(
    AVG(`prd`.`average_rating`) AS DECIMAL(10, 2)
  ) AS average_rating, 
  prd.reviews_count product_reviews_count 
FROM 
  cscart_companies AS companies 
  LEFT JOIN cscart_company_descriptions AS company_descriptions ON company_descriptions.company_id = companies.company_id 
  AND company_descriptions.lang_code = 'en' 
  LEFT JOIN cscart_vendor_plan_descriptions ON companies.plan_id = cscart_vendor_plan_descriptions.plan_id 
  AND cscart_vendor_plan_descriptions.lang_code = 'en' 
  LEFT JOIN cscart_seo_names ON cscart_seo_names.object_id = 322 
  AND cscart_seo_names.type = 'm' 
  AND cscart_seo_names.dispatch = '' 
  AND cscart_seo_names.lang_code = 'en' 
  LEFT JOIN cscart_products p ON p.company_id = companies.company_id 
  LEFT JOIN cscart_product_review_prepared_data prd ON p.product_id = prd.product_id 
WHERE 
  companies.company_id = 322

Query time 0.04351

JSON explain

{
  "query_block": {
    "select_id": 1,
    "const_condition": "1",
    "nested_loop": [
      {
        "table": {
          "table_name": "companies",
          "access_type": "const",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "4",
          "used_key_parts": ["company_id"],
          "ref": ["const"],
          "rows": 1,
          "filtered": 100
        }
      },
      {
        "table": {
          "table_name": "company_descriptions",
          "access_type": "const",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "10",
          "used_key_parts": ["company_id", "lang_code"],
          "ref": ["const", "const"],
          "rows": 1,
          "filtered": 100
        }
      },
      {
        "table": {
          "table_name": "cscart_vendor_plan_descriptions",
          "access_type": "const",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "10",
          "used_key_parts": ["plan_id", "lang_code"],
          "ref": ["const", "const"],
          "rows": 1,
          "filtered": 100
        }
      },
      {
        "table": {
          "table_name": "cscart_seo_names",
          "access_type": "ref",
          "possible_keys": ["PRIMARY", "dispatch"],
          "key": "PRIMARY",
          "key_length": "206",
          "used_key_parts": ["object_id", "type", "dispatch", "lang_code"],
          "ref": ["const", "const", "const", "const"],
          "rows": 1,
          "filtered": 100,
          "attached_condition": "trigcond(cscart_seo_names.`type` = 'm' and cscart_seo_names.dispatch = '' and cscart_seo_names.lang_code = 'en')"
        }
      },
      {
        "block-nl-join": {
          "table": {
            "table_name": "p",
            "access_type": "ALL",
            "rows": 25270,
            "filtered": 100,
            "attached_condition": "p.company_id = 322"
          },
          "buffer_type": "flat",
          "buffer_size": "18Kb",
          "join_type": "BNL",
          "attached_condition": "trigcond(p.company_id = 322)"
        }
      },
      {
        "table": {
          "table_name": "prd",
          "access_type": "ref",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "3",
          "used_key_parts": ["product_id"],
          "ref": ["dev_db.p.product_id"],
          "rows": 562,
          "filtered": 100,
          "attached_condition": "trigcond(trigcond(p.product_id is not null))"
        }
      }
    ]
  }
}

Result

company_id	lang_code	company_description	terms	status	company	company_search	address	city	city_id	district_id	ward_id	state	country	zipcode	email	phone	url	storefront	secure_storefront	entry_page	redirect_customer	countries_list	timestamp	shippings	logos	request_user_id	request_account_name	request_account_data	tax_number	pre_moderation	pre_moderation_edit	pre_moderation_edit_vendors	plan_id	suspend_date	grace_period_start	last_time_suspended	last_debt_notification_time	paypal_commerce_platform_account_id	stripe_connect_account_id	stripe_connect_account_type	sended_email_notify	ghn_shop_id	verify	show_homepage	messenger	messenger_flag	plan	seo_name	seo_path	average_rating	product_reviews_count
322	vi	<p>Vietnam is one of the world's leading cocoa-producing countries with good flavor ranked by the International Cocoa Council. Desired to bring Vietnamese cocoa to the world, Heyday Cacao was born under the guidance of young and dynamic people.</p> <p>Using manual fermentation, Heyday Cacao produces cocoa products with original flavors. The brand is always interested in the quality and uniformity of the products. Therefore, from harvesting to processing is strictly controlled. After the cocoa beans have absorbed enough nutrients and achieved a certain amount of natural butter, they will be kept in wooden barrels. Then, they will be sun-dried for 5 to 8 days and left to rest for 2 months before being processed.</p> <p>At Heyday Cacao, you not only find delicious and quality cocoa products but also the enthusiasm and beauty of Vietnamese traditional culture.</p>		A	HeyDay Cacao	HeyDay Cacao	2/2 Bàu Cát 2, Phường 14, Tân Bình, TP Hồ Chí Minh		79	766	27004				Info@heydaycacao.com	089 868 9753				none	Y		1641863572	4,6		0				N	N	N	1	0	0	0	0				0	5012205	N	N	A	Y	Standard	heyday-cacao-en		4.98	9