UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8GuWEdpWzwJmeJi/V7FtWFg79kMfw/MvJf8n9cSTj6A=' 
WHERE 
  key_id = '818cd1acd501d28b190e20c82ab5836c12bb39ec73968cc304d233813fa53e01' 
  AND (
    token = '8GuWEdpWzwJmeJi/V7FtWFg79kMfw/MvJf8n9cSTj6A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )