UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm3RE0FLvr/yDFKRa5nRCXhGZUzqAuEm8zPCFYlzePvM=' 
WHERE 
  key_id = '421191804c25ed52d896fcddf39869a24348da86171556e1419661aba4205916' 
  AND (
    token = 'm3RE0FLvr/yDFKRa5nRCXhGZUzqAuEm8zPCFYlzePvM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )