UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HcAKbD8Xa2JMy2fdsQKluUOZKlE8LsrvEZ5y00UJbUY=' 
WHERE 
  key_id = '2161dc36a6c1e20453364b6d2b8f54b0fc27a3c4fa6ce7f364cd7f45715b2e3c' 
  AND (
    token = 'HcAKbD8Xa2JMy2fdsQKluUOZKlE8LsrvEZ5y00UJbUY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )