UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EmrUMVeXrhJtMkGziez9mW7z+OURVhZgJSITxpjNmvY=' 
WHERE 
  key_id = '3e0208305775a97de65c67b08e2b628dba2f4df67ac006de1e7df2684c6869cf' 
  AND (
    token = 'EmrUMVeXrhJtMkGziez9mW7z+OURVhZgJSITxpjNmvY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )