UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KFsNkf2g7WH81rc9E1Il9NWTbrnjHSnRR4fyGoJl5Hs=' 
WHERE 
  key_id = '8f93c7e95f1f497f41dfebe80619b91316b68f91a8c433ce2c2352b6a0752287' 
  AND (
    token = 'KFsNkf2g7WH81rc9E1Il9NWTbrnjHSnRR4fyGoJl5Hs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )