UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l2h+XbjB2Ikulm8e4OcYDJMGI9+y7O/IIWJ28wdiDfI=' 
WHERE 
  key_id = 'a68c7757341c5e302e6296b9f945fa22f3c82ae4452cd1d2e9edb107104ce374' 
  AND (
    token = 'l2h+XbjB2Ikulm8e4OcYDJMGI9+y7O/IIWJ28wdiDfI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )