UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HWwg2z5TYWRd3Fq5znCbBEKBjCQK9j1o27jJcyMvfc4=' 
WHERE 
  key_id = '2c503cbaddcd100eeacbe2be50e5d69aadc01fea96347c8196ce42b8bf2e412a' 
  AND (
    token = 'HWwg2z5TYWRd3Fq5znCbBEKBjCQK9j1o27jJcyMvfc4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )