UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PTSxAqUhX9hteNMudDbHjRCqsqCPEg/afB7nQrcq6lA=' 
WHERE 
  key_id = 'ac8d5928d9d40dcc96b76848506c5973eeb6acc0140b86d38522f9a521da0252' 
  AND (
    token = 'PTSxAqUhX9hteNMudDbHjRCqsqCPEg/afB7nQrcq6lA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )