UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MvCeTmuHQxUGe0FxzJHCCDcE2fI5tZYbd9VkHtUYGDA=' 
WHERE 
  key_id = '6d5cddce8e2a6b82056ed57020d93397f42702f5a90d56cb7aee8657099b9521' 
  AND (
    token = 'MvCeTmuHQxUGe0FxzJHCCDcE2fI5tZYbd9VkHtUYGDA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )