UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Acb4lja8uvz2zrODTVrd0o4OLHF3Nnj5n5+5xgEQltU=' 
WHERE 
  key_id = 'ebb286f7b3031abd03453ca948b15705dc6c50ad273b38150debc35770afb537' 
  AND (
    token = 'Acb4lja8uvz2zrODTVrd0o4OLHF3Nnj5n5+5xgEQltU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )