UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ctS6KdYV7gPue7pl9HMiG4lu8IWVoSIy5h0IVPuJB1U=' 
WHERE 
  key_id = '31fc264da5630244e9ec0c2b2fccfbe6173e80a6500a3c75819a073dcf12b10f' 
  AND (
    token = 'ctS6KdYV7gPue7pl9HMiG4lu8IWVoSIy5h0IVPuJB1U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )