UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rbjuMDMlgjFKxMAgkU/ckn+KL7kkFsoQbHLXYeCa+fw=' 
WHERE 
  key_id = '747d1112efe4d6c56e57f76807cad785e5c4bd9e8015b79edd16081e858a40cf' 
  AND (
    token = 'rbjuMDMlgjFKxMAgkU/ckn+KL7kkFsoQbHLXYeCa+fw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )