SELECT 
  cscart_pages.*, 
  cscart_page_descriptions.*, 
  cscart_seo_names.name as seo_name, 
  cscart_seo_names.path as seo_path 
FROM 
  cscart_pages 
  INNER JOIN cscart_page_descriptions ON cscart_pages.page_id = cscart_page_descriptions.page_id 
  LEFT JOIN cscart_seo_names ON cscart_seo_names.object_id = cscart_pages.page_id 
  AND cscart_seo_names.type = 'a' 
  AND cscart_seo_names.dispatch = '' 
  AND cscart_seo_names.lang_code = 'ja' 
  INNER JOIN cscart_ult_objects_sharing ON (
    cscart_ult_objects_sharing.share_object_id = cscart_pages.page_id 
    AND cscart_ult_objects_sharing.share_company_id = 1 
    AND cscart_ult_objects_sharing.share_object_type = 'pages'
  ) 
WHERE 
  cscart_pages.page_id = 216 
  AND cscart_page_descriptions.lang_code = 'ja' 
  AND (
    cscart_pages.usergroup_ids = '' 
    OR FIND_IN_SET(0, cscart_pages.usergroup_ids) 
    OR FIND_IN_SET(1, cscart_pages.usergroup_ids)
  ) 
  AND cscart_pages.page_type IN ('T', 'L', 'B', 'F', 'P')

Query time 0.00042

JSON explain

{
  "query_block": {
    "select_id": 1,
    "const_condition": "1",
    "table": {
      "table_name": "cscart_pages",
      "access_type": "const",
      "possible_keys": ["PRIMARY"],
      "key": "PRIMARY",
      "key_length": "3",
      "used_key_parts": ["page_id"],
      "ref": ["const"],
      "rows": 1,
      "filtered": 100
    },
    "table": {
      "table_name": "cscart_page_descriptions",
      "access_type": "const",
      "possible_keys": ["PRIMARY"],
      "key": "PRIMARY",
      "key_length": "9",
      "used_key_parts": ["page_id", "lang_code"],
      "ref": ["const", "const"],
      "rows": 1,
      "filtered": 100
    },
    "table": {
      "table_name": "cscart_ult_objects_sharing",
      "access_type": "const",
      "possible_keys": ["PRIMARY"],
      "key": "PRIMARY",
      "key_length": "159",
      "used_key_parts": [
        "share_object_id",
        "share_company_id",
        "share_object_type"
      ],
      "ref": ["const", "const", "const"],
      "rows": 1,
      "filtered": 100,
      "using_index": true
    },
    "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": 2,
      "filtered": 100,
      "attached_condition": "trigcond(cscart_seo_names.`type` = 'a' and cscart_seo_names.dispatch = '' and cscart_seo_names.lang_code = 'ja')"
    }
  }
}

Result

page_id company_id parent_id id_path status page_type position timestamp usergroup_ids localization new_window use_avail_period avail_from_timestamp avail_till_timestamp facebook_obj_type lang_code page description meta_keywords meta_description page_title link seo_name seo_path
216 1 0 216 A T 2 1544194800 0 0 N 0 0 activity ja マーキンス現場便り <div style="height: 20px;"></div> <!--------------------------------------------> <div style="margin-bottom: 10px; border-bottom: #cccccc 1px solid;"></div> <div> <div style="width:180px; text-align:center; padding: 0 20px 10px 0; float: left;"> <a href="/letter/goto-aki"> <img src="/html/letter/goto-aki/goto-aki-1905.jpg" border="0" alt="写真家 GOTO AKI" /> </a> </div> <div style="float: left;"> <div style="margin: 5px 0 0 0;">2019年05月09日</div> <div style="margin: 10px 0 0 0;"> <a href="/letter/goto-aki/"><span style="font-size: 20px; font-weight:bold;">マーキンス & EOS R インプレッション</span></a> </div> <div style="margin: 10px 0 10px 0;">写真家 GOTO AKI</div> </div> <div style="clear:both;"></div> </div> <!--------------------------------------------> <div style="margin-bottom: 10px; border-bottom: #cccccc 1px solid;"></div> <div> <div style="width:180px; text-align:center; padding: 0 20px 10px 0; float: left;"> <a href="/letter/nakano"> <img src="/html/letter/nakano/nakano.jpg" border="0" alt="野鳥写真家 中野耕志" /> </a> </div> <div style="float: left;"> <div style="margin: 5px 0 0 0;">2019年01月12日</div> <div style="margin: 10px 0 0 0;"> <a href="/letter/nakano/"><span style="font-size: 20px; font-weight:bold;">アメリカ西部の探鳥地を訪れて</span></a> </div> <div style="margin: 10px 0 10px 0;">野鳥写真家 中野耕志</div> </div> <div style="clear:both;"></div> </div> <!--------------------------------------------> <div style="margin-bottom: 10px; border-bottom: #cccccc 1px solid;"></div> <div> <div style="width:180px; text-align:center; padding: 0 20px 10px 0; float: left;"> <a href="/letter/t-hagihara"> <img src="/html/letter/t-hagihara/t-hagihara.jpg" border="0" alt="風景写真家 萩原俊哉" /> </a> </div> <div style="float: left;"> <div style="margin: 5px 0 0 0;">2018年12月08日</div> <div style="margin: 10px 0 0 0;"> <a href="/letter/t-hagihara/"><span style="font-size: 20px; font-weight:bold;">ニコンZ用L型プレート&FTZ用L型プレート</span></a> </div> <div style="margin: 10px 0 10px 0;">風景写真家 萩原俊哉</div> </div> <div style="clear:both;"></div> </div> <!--------------------------------------------> <div style="margin: 0 0 10px 0; border-bottom: #cccccc 1px solid;"></div> <div style="height: 60px;"></div> マーキンス現場便り | 株式会社トリンプル letter