UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tkcGcHNFoUfo6AlfQPtysde6EddEy9x8rogtiSVJFpM=' 
WHERE 
  key_id = '128e7ef157dd326857766d540c3c824a1eee8a3346bd2dcdad169a31846259fa' 
  AND (
    token = 'tkcGcHNFoUfo6AlfQPtysde6EddEy9x8rogtiSVJFpM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )