UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6OgV/WQHDu3GGSV42bBeJnIdceTzCb1Fikxq4NvbFuo=' 
WHERE 
  key_id = '81c0217ea2bca9ba241df45327aac3d14a8269fd7b3b8b8d71b21f44e3b2ba3d' 
  AND (
    token = '6OgV/WQHDu3GGSV42bBeJnIdceTzCb1Fikxq4NvbFuo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )