UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RmUmJgjnRSBQrjAFNZrn7YMOEQxJMlt+fEk1PMOruHc=' 
WHERE 
  key_id = '28e1629ed5f1b8c7dcc6f14cddbc55059895eeabcdb1fd048a7fd2a26ad0c876' 
  AND (
    token = 'RmUmJgjnRSBQrjAFNZrn7YMOEQxJMlt+fEk1PMOruHc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )