UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MMp7gU1C3GWTO0ybxJLXv3OpXem+3bPNR5rZgPdon1k=' 
WHERE 
  key_id = '78ddcbb70e14219fa81ca315ef5eeee1b3ca240ec095f4990773d799f364fa7d' 
  AND (
    token = 'MMp7gU1C3GWTO0ybxJLXv3OpXem+3bPNR5rZgPdon1k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )