Update caching for a bunch of views

update-views.php

$res = db_query('SELECT * FROM views_display WHERE ...');
while ($record = db_fetch_array($res)) {
  $options = unserialize($record['display_options']);
  $options['cache'] = array(
    'type' => 'time',
    'results_lifespan' => 3600,
    'output_lifespan' => 3600,
  );
  
  db_update('views_display')
    ->fields(array(
      'display_options' => searialize($display_options),
    ))
    ->condition('vid', $record['vid'], '=')
    ->condition('id', $record['id'], '=')
    ->execute();
}