UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8LmdbiXBQtVt0HkDxTJC2aCIfKoSB3YXHgNqjeX5Fzs=' 
WHERE 
  key_id = '5300ec359258adae86d9615199520d7224422339b5440eb88c332c39664d9389' 
  AND (
    token = '8LmdbiXBQtVt0HkDxTJC2aCIfKoSB3YXHgNqjeX5Fzs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )