UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/VQ4gGYQcsk5J88BinEwFDIjpwr0LF0XlN1PnVoX2js=' 
WHERE 
  key_id = '8438efe1f8fd7a3d8d9e9784228f11ab0ce4e483089b3050bbba519fc8373ee0' 
  AND (
    token = '/VQ4gGYQcsk5J88BinEwFDIjpwr0LF0XlN1PnVoX2js=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )