UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3ZnUkjr3WsoJcUXyXHurknQ06ONiRQpFUaJlgznEpYM=' 
WHERE 
  key_id = 'b4e83e99afb4a983eaa921518a52bede5642fcad9b6b72ed4188dbdbc4e02bf6' 
  AND (
    token = '3ZnUkjr3WsoJcUXyXHurknQ06ONiRQpFUaJlgznEpYM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )