UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XLj8eNa92kv0/5gORZfMI869V5z8wnljqWKNEj7BBGw=' 
WHERE 
  key_id = 'cf51944d8d8714c3b2f8f617f9e5b1b57928b05d376d0569784abfeb6a82ad3d' 
  AND (
    token = 'XLj8eNa92kv0/5gORZfMI869V5z8wnljqWKNEj7BBGw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )