UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WnJBwur1lDw9g2z0sS02TYJEc9JUalzSzmI4FZYh6BU=' 
WHERE 
  key_id = '12b96ad0ee9e891996c29d60b44a635a8e83e4ffb68c697c59421eea7fddc521' 
  AND (
    token = 'WnJBwur1lDw9g2z0sS02TYJEc9JUalzSzmI4FZYh6BU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )