UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PgTkzwJRYjRgWpC0uNVPsyFsC15/lws/Y6lYQ57PuXI=' 
WHERE 
  key_id = '1df647b0c34384308524fac03e92972a46d20d51368560fd647707cf94d76864' 
  AND (
    token = 'PgTkzwJRYjRgWpC0uNVPsyFsC15/lws/Y6lYQ57PuXI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )