UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mg/MhLtv2WwQq5AMI2+eXhkmg0P69x3qgCg7OlZaAas=' 
WHERE 
  key_id = 'b40bebf703556bc271cd8e40043abd7993c6dfa08dcdbb42b5126671d6e57b4f' 
  AND (
    token = 'Mg/MhLtv2WwQq5AMI2+eXhkmg0P69x3qgCg7OlZaAas=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )