UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zg7ElMadptsibD3C+vbrCEHdWmYWUiB/nX8K0zK9YzE=' 
WHERE 
  key_id = '921651e38c0ea5eefbbfa6cf34363633a9675f6e839886ce194d2f928df51037' 
  AND (
    token = 'zg7ElMadptsibD3C+vbrCEHdWmYWUiB/nX8K0zK9YzE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )