The Irvine Company is locking down more property in Sunnyvale’s Peery Park ahead of a massive new project that the Newport Beach-based developer wants to build there. Irvine this week paid about $40 million to acquire four buildings totaling about 74,000 square feet, according to deeds filed Wednesday. That works out to a blended price of about $540 per square foot. Join the conversation: Follow @SVbizjournal on Twitter, "Like" us on Facebook and sign up for our free email newsletters. The…