UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '27ypnOy5Meb+2ee46fGO2cr/qEQn7f0GJ/fsTgi6Dhs=' 
WHERE 
  key_id = '8f20482ef2b83c84731c7b21f4379b1304f60250d37a9098a1c9c40182f8201c' 
  AND (
    token = '27ypnOy5Meb+2ee46fGO2cr/qEQn7f0GJ/fsTgi6Dhs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )