INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a7631b35ce0446a2d802119c29a89822bd944d99f9298966f4b92996d539acc0', 
    'jlveWU2v8PxbmkOStingdQgtL5Xa/AAqPYxx8w0iRuU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)