UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BXjNH2VYI70xkf5EZQ0fXuTiNFd3vjNiQ2ESUFdOx40=' 
WHERE 
  key_id = '471aeeb70cb845124b3f688361cdc32f1ccc54c366e7187a7aa3e76b57aea89d' 
  AND (
    token = 'BXjNH2VYI70xkf5EZQ0fXuTiNFd3vjNiQ2ESUFdOx40=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )