UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OkjuRs0zfUY2xB+HXNEAnQMvUMLUT7CMfoKvvTbVGEg=' 
WHERE 
  key_id = '49b545a8b21269a6ca2a141931054a4f1d4002d590be5ed19854cdad4b76e604' 
  AND (
    token = 'OkjuRs0zfUY2xB+HXNEAnQMvUMLUT7CMfoKvvTbVGEg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )