UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WkuA7Kv2aPKLxrZrYV9YZSAWKVf7WKpqrSeyGGlCyVs=' 
WHERE 
  key_id = '6663892b709f4918fd48201909981bea03bb6a4b4dd77d28fbe96019d06178a8' 
  AND (
    token = 'WkuA7Kv2aPKLxrZrYV9YZSAWKVf7WKpqrSeyGGlCyVs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )