Aaaaaand, any option to renew, which could possibly be better served as a first right of refusal, would only be binding on the signee, if at all. In 30 + years will the owner of the land be the same person? 😉
TCCC, Section 1469. Any agreement concluded between husband and wife during marriage may be avoided by either of them at any time during marriage or within one year from the day of dissolution of marriage; provided that the right of third persons acting in good faith are not affected thereby | Fill your boots bwana.