UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UW6qwuL9YbAWQkUMHNCsbPDw6VgGIVh5bzgWo6sSNBA=' 
WHERE 
  key_id = '6bd4092889ea3a47a7c4b39fd9c6a225b751f042f63dfac0cc069f5641e41ea4' 
  AND (
    token = 'UW6qwuL9YbAWQkUMHNCsbPDw6VgGIVh5bzgWo6sSNBA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )