UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u6A4+3JRJ87cPBVdP0FjJWHNeI5JSy/SO4O0O+XbIW0=' 
WHERE 
  key_id = '20498e6fd03efd5db741cd9279221ea44f9562622e8581c82ffc4370ccb10cf8' 
  AND (
    token = 'u6A4+3JRJ87cPBVdP0FjJWHNeI5JSy/SO4O0O+XbIW0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )