UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6L7UBfJveNdIZUZbs346b5ViUHo0fD1rulgh1J1jrKE=' 
WHERE 
  key_id = '6a96d1a39739aade59a687f99b372eeeff4ffbc9bd02f09b9e553546678a1320' 
  AND (
    token = '6L7UBfJveNdIZUZbs346b5ViUHo0fD1rulgh1J1jrKE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )