UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nVdNtO4Vz3EMqIktdgYlsydZQmDEjpTtZKvDWbSi6XU=' 
WHERE 
  key_id = '96d0eba98f67e94671ee750af4cae8b71f253f183a9937bfd673dff135da302c' 
  AND (
    token = 'nVdNtO4Vz3EMqIktdgYlsydZQmDEjpTtZKvDWbSi6XU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )