UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CprYiZN2CXIU9H4f9dGvgeGjhGCV943PVE7I+PkiGIU=' 
WHERE 
  key_id = 'c50931e79f3e0ce3d108536bff99fb75bfbf53398a98c0bfd612f26c09a4ec93' 
  AND (
    token = 'CprYiZN2CXIU9H4f9dGvgeGjhGCV943PVE7I+PkiGIU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )