UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rUWTXHqeiKmCZHKKtdAAXc33KH2NNRkzW48hBwjFXu0=' 
WHERE 
  key_id = '925caf2411821f5c2199c212fb1a60c21d8cc2fc6e1ac665838ec977f1b5c549' 
  AND (
    token = 'rUWTXHqeiKmCZHKKtdAAXc33KH2NNRkzW48hBwjFXu0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )