UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CGk2WsR5tur0eHoD//JbDzQqnB9dXQgvO6ala8ymTcs=' 
WHERE 
  key_id = '1508b325418a55eb2ff5106fb9f63f03f473700c8f6361690e030532deb4f1d0' 
  AND (
    token = 'CGk2WsR5tur0eHoD//JbDzQqnB9dXQgvO6ala8ymTcs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )