UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QVm0MFbPrsouZaqcFdF3ljdX1jMuVppjJSjJG8+iGdw=' 
WHERE 
  key_id = '94eaa7a10ba7dfd3e09c399ed21fb3d4319982c30cb5019618beab20d05d006b' 
  AND (
    token = 'QVm0MFbPrsouZaqcFdF3ljdX1jMuVppjJSjJG8+iGdw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )