UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5Yaik7d2v23+bh3LK/bzYsqecXPwxoX0RLSVSn9APfE=' 
WHERE 
  key_id = 'ade740f3dbf755977cb5a5323c18e70b7ac342d00177edbb837c1727f775b793' 
  AND (
    token = '5Yaik7d2v23+bh3LK/bzYsqecXPwxoX0RLSVSn9APfE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )