UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QT5gxGkvJZ92la7CRU3ogtCUCHJW6WYK1ROgwVua7BI=' 
WHERE 
  key_id = 'df5b876337ec7bc36c0078ee4191ad8d04eab7884c1417c9640537abe7589171' 
  AND (
    token = 'QT5gxGkvJZ92la7CRU3ogtCUCHJW6WYK1ROgwVua7BI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )