UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LDNfRu37m+tPFsUYUlqlox2DXlhj8giXYLJP7KtGtaE=' 
WHERE 
  key_id = 'a99e16245c4f9bf2090a6a5ee1c92a74c4f3a2c23e5cd56fffbd0f9cfa2d55c9' 
  AND (
    token = 'LDNfRu37m+tPFsUYUlqlox2DXlhj8giXYLJP7KtGtaE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )