INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b3b9edce9b6554380c662f511775d1b598fe103eef606f564b70b17fd1443cb9', 
    'oU/jtXhohaTVOKym4c9upxqruXi2Id0dlhXmPW/b3KQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)