UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lnSY0xH/CP52uPhLJV3qEex/+SlC3wZS5zdlxMsfpQE=' 
WHERE 
  key_id = '6098afcdddd9cfa569f41257e1c3b522e932940398a277fa40e8c868c76e4d89' 
  AND (
    token = 'lnSY0xH/CP52uPhLJV3qEex/+SlC3wZS5zdlxMsfpQE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )