UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rb6ys8KrpcVt/MOzp7ycykIecoOt8UCrSzV6evgUG78=' 
WHERE 
  key_id = '03c6f0be0e9ed5eb0c040a415b27eb794a05bcff147b9ef4cbfbd5da3cf281e4' 
  AND (
    token = 'Rb6ys8KrpcVt/MOzp7ycykIecoOt8UCrSzV6evgUG78=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )