UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NemtMhGVEVde7WITcz0sRMTJIhdZT3kuM6ZJW4I8QKU=' 
WHERE 
  key_id = '155ef387aef0fed0f5643ee41294080eb4fc585062c8c305143ff30467e6c638' 
  AND (
    token = 'NemtMhGVEVde7WITcz0sRMTJIhdZT3kuM6ZJW4I8QKU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )