UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nc5dgha7+LAVNxRm9S6MBxV3U0yui6Xe7y0lSamyy50=' 
WHERE 
  key_id = '09ddea6fc42f827143dc91e42541050f3d5872ca8f44724b8199ab34b57850ac' 
  AND (
    token = 'nc5dgha7+LAVNxRm9S6MBxV3U0yui6Xe7y0lSamyy50=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )