UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dq//sbcfCkrfJh3hHVTnsOzB8HcVrQbwovAXIx1fvAM=' 
WHERE 
  key_id = 'c955fb45b98eaf285909a76e1e8789aadba3505bf7cf209854a1985b7b3dabc0' 
  AND (
    token = 'dq//sbcfCkrfJh3hHVTnsOzB8HcVrQbwovAXIx1fvAM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )