UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C62m55BN+YlNkorIFAkh/wgTJLMxWXLa3en1nBwcwug=' 
WHERE 
  key_id = '5b910fa67a7057d323ef56382ccfaf5b8dbf3ffb20115003f02bf10868da7eac' 
  AND (
    token = 'C62m55BN+YlNkorIFAkh/wgTJLMxWXLa3en1nBwcwug=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )