[FEATURE] Only use one select to calculate page cache timeout

Project: TYPO3v4/Core
Branch: master
Patchset: 3
ID: Ia3b106cf0232ac80d287a8c50f7c8befaf0cc29b
Author: Alexander Opitz

URL: https://review.typo3.org/18547

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For further information to this pull request please have a look at the original one: https://review.typo3.org/18547

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