UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3+oEJx0Gp98WlDA/Drkfit3+XCYqgpLTkMqhcaEW0ms=' 
WHERE 
  key_id = '6c71df9d14654bc0665c8a36d06a9fddcf226b38becca66f7d9175797bd9b9ce' 
  AND (
    token = '3+oEJx0Gp98WlDA/Drkfit3+XCYqgpLTkMqhcaEW0ms=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )