UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MY96TBHoou+TYsc9NXEZINuUzj2GtyyeAsa5r8V5SVU=' 
WHERE 
  key_id = '6a8c56a074c22fdca055be6519587ddf28240e05458d505c4d12e39936ee8fcd' 
  AND (
    token = 'MY96TBHoou+TYsc9NXEZINuUzj2GtyyeAsa5r8V5SVU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )