UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nmYmqgG/xzjLu+T9yKcRk5r6SKrgpd9Ilz4Ug5TEwP0=' 
WHERE 
  key_id = '38b7a5c7fc5bd2008eb14739924576da83ebdf414392be7b3b5c7181353694a6' 
  AND (
    token = 'nmYmqgG/xzjLu+T9yKcRk5r6SKrgpd9Ilz4Ug5TEwP0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )