UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iXA/LAK7krwcWVbDIfiotYkEumnFyqohDWfj2+DcLKA=' 
WHERE 
  key_id = '44f2b2eefd7b9c87712e1a4a71ca83b541ef6242eb794140090f59d207ae8e6a' 
  AND (
    token = 'iXA/LAK7krwcWVbDIfiotYkEumnFyqohDWfj2+DcLKA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )