UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Wllaa0z6fZBesAj3bnjyMtKlcw5TVTNZDKpc5XmYlHw=' 
WHERE 
  key_id = '491712f212a02ef9a3c34ea70d86451aa4d6de5b4fd8023041af240498659a9c' 
  AND (
    token = 'Wllaa0z6fZBesAj3bnjyMtKlcw5TVTNZDKpc5XmYlHw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )