UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LQ17Qpzn369zsWheGzYm4NOEv4NCFv9rRRzDQzeqkoY=' 
WHERE 
  key_id = '0415ff9cbc5374df70f1d221949822180d636f9361a632b7cbe4b66d18b20e20' 
  AND (
    token = 'LQ17Qpzn369zsWheGzYm4NOEv4NCFv9rRRzDQzeqkoY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )