UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uDk620bM+pGpnwyKPIxVggCwRmAkytQ3TzmFXILgtco=' 
WHERE 
  key_id = '6d0def699c8fb46f13775f87812d7178b718bfe79a5b2d7299594c15b84f24c9' 
  AND (
    token = 'uDk620bM+pGpnwyKPIxVggCwRmAkytQ3TzmFXILgtco=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )