UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DC35XhFS6YbV/WWOTCRtkdMon36WxpCOpWkz0VpLswE=' 
WHERE 
  key_id = '81c8f30dd31028c10e1d8a3795c7af4b86dd2524d71cce45f4dd46a366078a93' 
  AND (
    token = 'DC35XhFS6YbV/WWOTCRtkdMon36WxpCOpWkz0VpLswE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )