UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TrjeldHc/MwsCQEUVeZerqCFQNnkvMd0NlG1CMDD4yM=' 
WHERE 
  key_id = '2539a6dc3b92d63eb2be8ca42824834caf430d37378c35785708a332db56356f' 
  AND (
    token = 'TrjeldHc/MwsCQEUVeZerqCFQNnkvMd0NlG1CMDD4yM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )