INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '902966e3ef942b737dd53922da74e9789c2c72012c58c943fa2bdb427910bf1e', 
    'PxnPkf6exnicYXEg3tkPuuolA//al6XWN23I4Q1h06Y=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)