UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g/9zrDdy9HsGVSNm8Y4G0WsTpPn7wNWC7O7it9zS8L0=' 
WHERE 
  key_id = '687a5b1751b1ab8baabba768afaaa6047ed0da4541665c04c23a4f23e513cb2c' 
  AND (
    token = 'g/9zrDdy9HsGVSNm8Y4G0WsTpPn7wNWC7O7it9zS8L0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )