UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jX/W3YZQAX6MTjw+TqZy5JtJVpMvoOWZZo35XddUCsc=' 
WHERE 
  key_id = '81b9132598a827bd7e16f031fc87da66c8d95f1b093c51625c1f9a32b23ba858' 
  AND (
    token = 'jX/W3YZQAX6MTjw+TqZy5JtJVpMvoOWZZo35XddUCsc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )