UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ztDMLku2UGTH9esidiAUtR4ebCbolDiQuRVL9cCltiE=' 
WHERE 
  key_id = '26b4e418d577900438cd0985921b5a9a2357a2135194999406e8ccee80a6d68e' 
  AND (
    token = 'ztDMLku2UGTH9esidiAUtR4ebCbolDiQuRVL9cCltiE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )