UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4iJpo9f0ZciEEChc8SyXUJLInwawvJdA0YO1E77OMPc=' 
WHERE 
  key_id = '947fde75624f9aa1dca195932efdef10a42791e5b570cde1e6abcd3803b1cf39' 
  AND (
    token = '4iJpo9f0ZciEEChc8SyXUJLInwawvJdA0YO1E77OMPc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )