UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lZ2t6oXV/Y1k5Pvy6Aix/D3LVPvMx+Vi+Q4pnrBoljo=' 
WHERE 
  key_id = '67689bf359530f3792779756fb806628b1c649a06d78dd5643a07dd786decf84' 
  AND (
    token = 'lZ2t6oXV/Y1k5Pvy6Aix/D3LVPvMx+Vi+Q4pnrBoljo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )