UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E5EwgXcVIomHd2D13oayrtvo02dHhHnXwTGL2llkXHY=' 
WHERE 
  key_id = '6a3cdbefb9a2889ab818e07e7cd33008f0acf5b259618d55198565aa279164e9' 
  AND (
    token = 'E5EwgXcVIomHd2D13oayrtvo02dHhHnXwTGL2llkXHY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )