UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KwdNqYhoORlJovahpns+2CiVfTBMk0+A9+svi44mDZU=' 
WHERE 
  key_id = '9471fcfdecb59d380b7f78ebe1ad6f0b0408f9d680b783b86446cc0aa8bc9a1b' 
  AND (
    token = 'KwdNqYhoORlJovahpns+2CiVfTBMk0+A9+svi44mDZU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )