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| id | machineId | expiringDate | startDate |
|---|---|---|---|
| 1 | 1 | 2020-08-21 12:56:14 | null |
| 2 | 1 | 2020-08-21 13:43:23 | 2020-08-21 12:56:14 |
| 3 | 1 | 2020-08-24 07:38:07 | 2020-08-21 13:43:23 |
| 4 | 1 | null | 2020-08-24 07:38:07 |
| 5 | 2 | null | null |
| 6 | 3 | 2020-08-21 11:50:39 | null |
| 7 | 3 | null | 2020-08-21 11:50:39 |