UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zUgS465TsclDOzHKzAO0vuw+KLtoaLqdwCMSYPf/CFU=' 
WHERE 
  key_id = '8b942172c87df40388b8f19ae0a4aeeef426dc57440db929732527acabb566f4' 
  AND (
    token = 'zUgS465TsclDOzHKzAO0vuw+KLtoaLqdwCMSYPf/CFU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )