UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KJ/sFKPpDhUXkieiY7KcTE0lvMNsO76Z21FQEov8FPg=' 
WHERE 
  key_id = '475649846405c924f50ddbe7a661ae1d89d5fa2178ee0a15451e6ddbbce81adf' 
  AND (
    token = 'KJ/sFKPpDhUXkieiY7KcTE0lvMNsO76Z21FQEov8FPg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )