SELECT 
  storetimezone 
FROM 
  cscart_crm_livechatcompanyref 
WHERE 
  company_id = 1

Query time 0.00023

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "cscart_crm_livechatcompanyref",
      "access_type": "ALL",
      "rows": 16,
      "filtered": 100,
      "attached_condition": "cscart_crm_livechatcompanyref.company_id = 1"
    }
  }
}