UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PqDpNxO395JhPDUbN69GzWbLEmso7HxNfGpnDcBeelg=' 
WHERE 
  key_id = '6473970bfb8cf910552e674c09e56d26689cde5389394377d92870aeff2b9276' 
  AND (
    token = 'PqDpNxO395JhPDUbN69GzWbLEmso7HxNfGpnDcBeelg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )