UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GmqazoemuBWu2hLlnARY/znyzaTPamGsAHDKPwYrG7g=' 
WHERE 
  key_id = '437759f9962d137754dbd252b9916508ddb8afddf76efa33bf0824973a7a6743' 
  AND (
    token = 'GmqazoemuBWu2hLlnARY/znyzaTPamGsAHDKPwYrG7g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )