UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V6OlY8L4kBTh4/4gs2J8L4zlKhMO963efT03rREVv+w=' 
WHERE 
  key_id = '00cd61c17e5266068e79e9f029c518a5efed1e6be256cda0dafdf158a2ce3ab8' 
  AND (
    token = 'V6OlY8L4kBTh4/4gs2J8L4zlKhMO963efT03rREVv+w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )