UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DmhzAzuGzatM/alRqugVWoLdHQe1EB2Z8DLjIIu1B4I=' 
WHERE 
  key_id = '6dd79758e390f33303b4918b703590de048ec8e5b8d1776210c3115119019d45' 
  AND (
    token = 'DmhzAzuGzatM/alRqugVWoLdHQe1EB2Z8DLjIIu1B4I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )