Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '865151e2226646c97c93788eccfae0016391c78544568690ba9f560e9faa52ea' 
  AND token = 'jGfAuqebqxJLYXlvC/p6dOWOvQoidoi8feip4LVOVgw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00048

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}