UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FNKE9xVby7M01QVY/WjCzBrMxGk2hc0vuhjDw5jyZtc=' 
WHERE 
  key_id = '08c19113bfbba91367b7ece899ed2f2c20b83398574fa98c561853829846ae70' 
  AND (
    token = 'FNKE9xVby7M01QVY/WjCzBrMxGk2hc0vuhjDw5jyZtc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )