SELECT 
  company_descriptions.*, 
  companies.*, 
  cscart_vendor_plan_descriptions.plan, 
  cscart_seo_names.name as seo_name, 
  cscart_seo_names.path as seo_path, 
  AVG(
    cscart_discussion_rating.rating_value
  ) AS average_rating, 
  CONCAT(
    companies.company_id, 
    '_', 
    IF (
      cscart_discussion_rating.thread_id, 
      cscart_discussion_rating.thread_id, 
      '0'
    )
  ) AS company_thread_ids, 
  company_descriptions.page_title, 
  company_descriptions.meta_description, 
  company_descriptions.meta_keywords 
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 = 520 
  AND cscart_seo_names.type = 'm' 
  AND cscart_seo_names.dispatch = '' 
  AND cscart_seo_names.lang_code = 'en' 
  LEFT JOIN cscart_discussion ON cscart_discussion.object_id = companies.company_id 
  AND cscart_discussion.object_type = 'M' 
  LEFT JOIN cscart_discussion_posts ON cscart_discussion_posts.thread_id = cscart_discussion.thread_id 
  AND cscart_discussion_posts.status = 'A' 
  LEFT JOIN cscart_discussion_rating ON cscart_discussion.thread_id = cscart_discussion_rating.thread_id 
  AND cscart_discussion_rating.post_id = cscart_discussion_posts.post_id 
WHERE 
  companies.company_id = 520

Query time 0.00150

JSON explain

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    "nested_loop": [
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          "used_key_parts": [
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            "lang_code",
            "address",
            "city",
            "state",
            "country",
            "zipcode",
            "email",
            "phone",
            "url",
            "storefront",
            "secure_storefront",
            "entry_page",
            "redirect_customer",
            "countries_list",
            "timestamp",
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            "logos",
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            "plan_id",
            "sd_vendor_helper",
            "identifier_facebook_pixel",
            "stripe_connect_account_id",
            "tax_number",
            "facebook_pixel_id",
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            "ec_rfq_phone_number",
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            "lang_code",
            "company_description",
            "terms",
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            "meta_description",
            "page_title",
            "i18n_company",
            "i18n_address",
            "i18n_city"
          ]
        }
      },
      {
        "table": {
          "table_name": "cscart_vendor_plan_descriptions",
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        }
      },
      {
        "table": {
          "table_name": "cscart_seo_names",
          "access_type": "ref",
          "possible_keys": [
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            "dispatch"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
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          ],
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          ],
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            "lang_code"
          ]
        }
      },
      {
        "table": {
          "table_name": "cscart_discussion",
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            "object_id",
            "object_type"
          ]
        }
      },
      {
        "table": {
          "table_name": "cscart_discussion_posts",
          "access_type": "ref",
          "possible_keys": [
            "thread_id",
            "thread_id_2"
          ],
          "key": "thread_id_2",
          "used_key_parts": [
            "thread_id",
            "status"
          ],
          "key_length": "6",
          "ref": [
            "webmarco.cscart_discussion.thread_id",
            "const"
          ],
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          "used_columns": [
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            "status"
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        }
      },
      {
        "table": {
          "table_name": "cscart_discussion_rating",
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        }
      }
    ]
  }
}

Result

company_id lang_code company_description terms meta_keywords meta_description page_title i18n_company i18n_address i18n_city status company address city 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 pre_moderation pre_moderation_edit pre_moderation_edit_vendors plan_id sd_vendor_helper identifier_facebook_pixel stripe_connect_account_id tax_number facebook_pixel_id facebook_api_token handling_time_us handling_time_uk handling_time_it handling_time_in handling_time_mx handling_time_es handling_time_de handling_time_fr handling_time_cn handling_time_ca handling_time_jp handling_time blocked_date booking_data stripe_connect_account_type registered_from_storefront_id ec_rfq_whatsapp_number ec_rfq_phone_number ec_rfq_bhf ec_rfq_bht sd_ga_tracking_code sd_ga_api_secret plan seo_name seo_path average_rating company_thread_ids
520 sq <p class="text-center"><strong></strong></p> <p class="text-center"><strong>Jusi Travel</strong></p> <p class="text-center">We believe that man is nothing but the whole of<br />his experiences.</p> <p class="text-center">Experiences, whether positive or negative,<br />influence the formation of the character of each person.</p> <p class="text-center">Thanks to the many and uninterrupted experiences that we experience during<br />of our lives, none of us is the same person we once were<br />yesterday or with the person who will be tomorrow.<br />For this reason, our mission is to offer our friends as much as possible<br />positive experiences through trips with us.</p> <p class="text-center"></p> <p class="text-center"></p> Jusi travel, trips, bus tickets, safe travel, travel agency, italy-albania, albania-germany, trips to italy, trips to albania, trips to germany, trips from vlora, trips to saranda, Our company is in the Albanian market since 1995, offering our customers quality and safety for road transport. We work with Germany and Italy. We enable road transport to these two countries. Jusi Travel - special experiences through travel, activities, adventures! Jusi Travel Rruga Gjergj Kastrioti, Vlorë 9400 Vlore A Jusi Travel Rruga Gjergj Kastrioti, Vlorë 9400 Vlore AL-12 AL 9401 jusitravel05@gmail.com 0696012788 http://jusitravel.al/? none Y 1645441365 0 N N N 13 262189474 0 0 0 0 0 0 0 0 0 0 0 0 Vat Excluded 12.20 jusi-travel 520_0