UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8+ZTMY86UZI7YzgjCvy2dL5yeM5v60aftOjDSvIsIJY=' 
WHERE 
  key_id = '81c3ebf7113408b2ee4161d5c1018d99c7489fc8209e6dd08ba2548fc218d1b4' 
  AND (
    token = '8+ZTMY86UZI7YzgjCvy2dL5yeM5v60aftOjDSvIsIJY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )