UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sH8GJJZmUrUiTdyn5uyjucClbV8vWgroYY9N7XFe5kU=' 
WHERE 
  key_id = '939ebd20a59726824ae7af279c477c35d31c5459cbf2091a20edd40e2ae18f8d' 
  AND (
    token = 'sH8GJJZmUrUiTdyn5uyjucClbV8vWgroYY9N7XFe5kU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )