Michael Jordan had the most games by a player older than 30 with 40+ points, with 38 games.

Interpreted as:

most 40 or more point regular-season games by a player after the age of 30

	NAME	GP	PTS	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	REB	AST	STL	BLK	TOV	PF	+/-
1	Michael Jordan M. Jordan	38	1,678	41.3	44.2	6.3	3.6	2.0	0.6	16.4	29.5	55.5	1.2	2.7	43.6	10.2	12.0	84.9	63.4	1.8	4.6	2.1	1,568	240	138	77	23	81	88	+232
2	Stephen Curry S. Curry	37	1,700	35.9	45.9	5.4	5.3	1.1	0.3	15.1	26.1	58.1	8.6	16.0	53.7	7.1	7.6	93.2	78.2	0.4	4.9	3.4	1,328	198	195	42	11	126	70	+370
3	Kobe Bryant K. Bryant	26	1,105	41.1	42.5	5.8	4.6	1.7	0.4	15.1	28.7	52.5	2.4	6.1	39.2	10.0	11.8	84.1	62.6	1.0	4.8	3.7	1,070	150	120	43	11	97	60	+81
4	LeBron James L. James	24	1,066	38.4	44.4	9.6	7.2	1.3	1.0	16.2	26.1	62.0	4.8	8.5	56.4	7.2	9.2	78.6	73.6	1.6	8.0	3.6	922	230	172	31	24	87	30	+223
5	Damian Lillard D. Lillard	21	927	38.2	44.1	5.1	6.1	1.0	0.3	13.2	23.7	55.7	6.3	13.2	47.7	11.5	12.3	93.1	75.9	0.6	4.5	2.8	803	107	129	20	7	59	41	+138
6	Alex English A. English	21	912	41.4	43.4	5.3	5.0	1.0	0.3	17.0	27.3	62.3	0.0	0.0	0.0	9.4	10.6	88.8	67.9	2.2	3.1	3.1	870	112	105	21	7	65	66
7	Larry Bird L. Bird	19	829	42.9	43.6	10.5	6.7	1.7	0.8	17.0	27.9	60.8	1.4	3.6	39.1	8.2	8.6	95.1	68.7	1.3	9.2	2.9	815	199	127	32	16	55	38
8	Hakeem Olajuwon H. Olajuwon	18	773	43.4	42.9	11.9	3.9	1.4	2.9	16.5	27.8	59.3	0.1	0.4	28.6	9.8	12.3	80.1	64.6	2.4	9.6	3.4	782	215	71	25	52	62	57	+18
9	Jerry West J. West	18	757	44.5	42.1	5.2	9.0			15.7	27.2	57.8				10.6	12.8	82.7	64.0				801	94	162				39
10	Kevin Durant K. Durant	17	752	39.1	44.2	6.4	5.6	1.2	1.2	16.3	27.2	59.8	4.1	8.1	51.1	7.5	8.1	92.8	71.8	0.5	5.9	4.2	665	109	95	20	21	72	41	+98
11	Karl Malone K. Malone	15	651	41.5	43.4	10.5	3.7	1.8	1.2	15.8	25.1	62.9	0.1	0.1	50.0	11.7	14.7	79.6	68.6	2.3	8.3	3.4	622	158	56	27	18	51	53	+103
12	Dominique Wilkins D. Wilkins	15	650	41.9	43.3	8.2	3.4	1.0	0.4	15.3	27.1	56.5	2.3	4.1	54.8	10.4	12.3	84.8	66.6	3.8	4.4	3.5	628	123	51	15	6	53	23
13	DeMar DeRozan D. DeRozan	13	567	41.6	43.6	5.9	5.1	1.4	0.4	15.5	26.0	59.5	1.2	3.0	38.5	11.5	12.8	89.8	68.9	0.8	5.2	2.1	540	77	66	18	5	27	36	+89
14	Bernard King B. King	13	593	42.1	45.6	6.8	4.5	1.7	0.4	17.5	31.2	56.3	0.2	0.8	27.3	10.3	12.5	82.2	62.2	2.4	4.5	3.9	547	89	59	22	5	51	41
15	Elgin Baylor E. Baylor	12	510		42.5	14.9				16.8	29.7	56.7				8.8	10.7	82.8	61.8					179					39
16	George Gervin G. Gervin	11	469	39.4	42.6	5.6	3.1	1.0	0.8	17.0	27.8	61.1	0.0	0.2	0.0	8.6	10.4	83.3	65.8	2.5	3.2	3.1	433	62	34	11	9	34	36
17	Wilt Chamberlain W. Chamberlain	10	525		52.5	28.1				21.9	29.9	73.2				8.7	19.7	44.2	68.1					281					17
18	James Harden J. Harden	9	398	38.9	44.2	6.6	9.4	1.3	0.4	13.2	24.0	55.1	5.8	11.8	49.1	12.0	14.0	85.7	73.3	1.1	5.4	3.2	350	59	85	12	4	29	21	+123
19	Kareem Abdul-Jabbar K. Abdul-Jabbar	9	374	42.6	41.6	11.7	3.9		3.1	16.4	26.8	61.4	0.0	0.0		8.7	11.1	78.0	65.6				383	105	35		28		26
20	Rick Barry R. Barry	9	401	40.6	44.6	6.0	6.2	2.3	1.0	18.3	31.6	58.1				7.9	8.7	91.0	63.0	0.9	5.1	3.2	365	54	56	21	9	19	27
21	Dirk Nowitzki D. Nowitzki	8	323	40.1	40.4	9.0	2.5	1.0	1.0	13.0	23.9	54.5	2.4	4.8	50.0	12.0	13.0	92.3	68.2	1.8	7.3	1.8	321	72	20	8	8	14	24	+70
22	Kyrie Irving K. Irving	7	306	40.5	43.7	5.3	4.3	1.3	0.6	15.3	25.6	59.8	4.4	9.0	49.2	8.7	9.4	92.4	73.5	0.6	4.7	2.7	284	37	30	9	4	19	12	+16
23	CJ McCollum	7	302	38.2	43.1	5.9	4.7	0.7	0.7	15.6	26.1	59.6	7.1	13.1	54.3	4.9	5.9	82.9	75.1	1.0	4.9	2.6	267	41	33	5	5	18	14	+72
24	Russell Westbrook R. Westbrook	7	292	39.0	41.7	8.9	7.7	1.7	0.1	15.9	29.0	54.7	2.3	4.9	47.1	7.7	9.9	78.3	62.6	1.7	7.1	5.1	273	62	54	12	1	36	26	+11
25	Paul George P. George	6	251	37.0	41.8	8.5	3.8	1.7	0.3	14.5	24.8	58.4	5.5	10.8	50.8	7.3	8.0	91.7	73.8	1.5	7.0	3.0	222	51	23	10	2	18	16	-22