Activrecord timestamp wrong assignment

for the following:

         updated_at         |         created_at         |   id    
----------------------------+----------------------------+---------
 2016-08-26 12:33:35.900201 | 2016-08-25 12:33:13.782502 | 2951380
 2016-08-26 12:33:35.916025 | 2016-08-25 12:33:13.781838 | 2951379
 2016-08-25 12:33:13.684854 | 2016-08-25 12:33:13.684854 | 2951377
 2016-08-25 12:33:13.684753 | 2016-08-25 12:33:13.684753 | 2951378
 2016-08-25 12:33:13.652293 | 2016-08-25 12:33:13.652293 | 2951376
 2016-08-26 12:32:59.669535 | 2016-08-25 12:33:13.589147 | 2951375
 2016-08-26 12:32:59.680676 | 2016-08-25 12:33:13.556841 | 2951374
 2016-08-26 12:32:59.559429 | 2016-08-25 12:33:13.496964 | 2951373
 2016-08-26 12:32:59.573863 | 2016-08-25 12:33:13.461594 | 2951372
 2016-08-26 12:31:10.338129 | 2016-08-25 12:33:13.400724 | 2951371

ID 2951378 has an earlier created_at (and updated_at) than the 2951377 record!

Anyone have any idea how that may happen, this records inserted by Queue worker handler.