UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nTNrLcd/ybQ1KqKSQO30JHOZBGkMel//z/8XQYbVfT8=' 
WHERE 
  key_id = 'a113d61b78cc743922fbb0805bb085b6394e17bff2e79b7be8e69552011e3818' 
  AND (
    token = 'nTNrLcd/ybQ1KqKSQO30JHOZBGkMel//z/8XQYbVfT8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )