INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'eb37542f82a9fb608b83c38c300a759aedc15fcec2ece9029a9798ce2e2dd04f', 
    'ST3RrTOXt4C2tpdbyuC4N2sMc8H6YLTnTCnWG4OQrwE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)