UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bPZuNl9aDl49HPKC2ToCSZp0ebLrctIKpUVDgWrciBU=' 
WHERE 
  key_id = 'd48301e1cbacbb979112077e8480d70e991684c227c85130b5c37761b8fd8820' 
  AND (
    token = 'bPZuNl9aDl49HPKC2ToCSZp0ebLrctIKpUVDgWrciBU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )