UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Vrw8+XUkfSQLU+kMttI4/loZYjOIn6UjP9uB+ELNmWI=' 
WHERE 
  key_id = '8fe9559b9058c797731c234dc831303fbec7da506bf86ec77e8260212d0d75c2' 
  AND (
    token = 'Vrw8+XUkfSQLU+kMttI4/loZYjOIn6UjP9uB+ELNmWI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )