UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KbQua9IUuCxqrLb6SR0TVh/7YId0oWxPm9DM020zbVo=' 
WHERE 
  key_id = '303f93ecd2b0fe10ff0cf3dea298b34fafdf6204554dd0d440c608e78303be33' 
  AND (
    token = 'KbQua9IUuCxqrLb6SR0TVh/7YId0oWxPm9DM020zbVo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )