Array
(
    [0] => 4067
    [1] => 4088
    [2] => 4219
    [3] => 4265
    [4] => 4366
    [5] => 4369
    [6] => 4388
    [7] => 4395
    [8] => 4412
    [9] => 4416
    [10] => 4437
    [11] => 4444
    [12] => 4451
    [13] => 4472
    [14] => 4495
    [15] => 4500
    [16] => 4514
    [17] => 4525
    [18] => 4532
    [19] => 4543
    [20] => 4548
    [21] => 4559
    [22] => 4579
    [23] => 4605
    [24] => 4638
    [25] => 4639
    [26] => 4645
    [27] => 4668
    [28] => 4697
    [29] => 4709
    [30] => 4719
    [31] => 4721
    [32] => 4729
    [33] => 4758
    [34] => 4761
    [35] => 4887
    [36] => 4895
    [37] => 4902
)

SELECT * FROM wp_postmeta WHERE post_id IN (4067,4088,4219,4265,4366,4369,4388,4395,4412,4416,4437,4444,4451,4472,4495,4500,4514,4525,4532,4543,4548,4559,4579,4605,4638,4639,4645,4668,4697,4709,4719,4721,4729,4758,4761,4887,4895,4902)