UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'znqyQhsu21mQOHoEliHjmnpX/Qt+zTZqgyHBleudwnE=' 
WHERE 
  key_id = '47b96f61fd7f90d9226b535902e7f14e9ba77d67af52a3c4a015053725d7010e' 
  AND (
    token = 'znqyQhsu21mQOHoEliHjmnpX/Qt+zTZqgyHBleudwnE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )