UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Qd2z//ne/qP/E+BFMoEjgv1ddcIjbmavPsJz15cu21I=' 
WHERE 
  key_id = '6c9574f6588372dee3ff6440a2734f43a42e616cca222eff54ff074c5cac7d9e' 
  AND (
    token = 'Qd2z//ne/qP/E+BFMoEjgv1ddcIjbmavPsJz15cu21I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )