UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DxMjPRg+/aRdyULNvS8IHW2Yhbnp2HkQlKa+xYmKqJY=' 
WHERE 
  key_id = 'dcba23c7f84071af01b7fb272b06776b9d9c2bd6b163ca91f0977c06829d60b4' 
  AND (
    token = 'DxMjPRg+/aRdyULNvS8IHW2Yhbnp2HkQlKa+xYmKqJY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )