UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q9D6nyeQiCVzPJjh8Zom+qwty2OnXj9/ScD8LkT5RPQ=' 
WHERE 
  key_id = '96b429c5a15b301c6cccdb1d8f25346f3904ece4d8bde3957e7752ac6251a27a' 
  AND (
    token = 'q9D6nyeQiCVzPJjh8Zom+qwty2OnXj9/ScD8LkT5RPQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )