UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xb50EOUPvbZL9OElX5RMAz/U41EXB3+PdCcgZaJsetE=' 
WHERE 
  key_id = '8b4ea5d43e1de7fa3129c7307e9a2eb239407c937d72f5a4abe16e87ae1d8fba' 
  AND (
    token = 'Xb50EOUPvbZL9OElX5RMAz/U41EXB3+PdCcgZaJsetE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )