UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9rZxwAQa0ILP0DpOLPThPtCot/HtaV1twSu+FkLjvxg=' 
WHERE 
  key_id = '51b1935361a40b9271f97fb4fc4d1f07e075c36550551dc387a9bea0943d9bb8' 
  AND (
    token = '9rZxwAQa0ILP0DpOLPThPtCot/HtaV1twSu+FkLjvxg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )