UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+qyhgeVQ4RzVQSHfGfEWeP/37ba/SCqM4ZaXmrHfJnQ=' 
WHERE 
  key_id = '81b8e470de1073df44b5c37468e648b802f52608016b764ad8698069ebe535c3' 
  AND (
    token = '+qyhgeVQ4RzVQSHfGfEWeP/37ba/SCqM4ZaXmrHfJnQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )