UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6SyhjvHBXd4JaCeRz0N9K8AIXwrHZDThfQ5d92TKNro=' 
WHERE 
  key_id = '935b56b6df2aed36894818733dabc2d807c7aa5ecc1f6cc3b5f74e57ef606494' 
  AND (
    token = '6SyhjvHBXd4JaCeRz0N9K8AIXwrHZDThfQ5d92TKNro=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )