INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '646386fac122bdc141e5a437a8e0eae2fa8cfcff5e15090f7740f23abb5d3403', 
    'T4vaS88Tn6mKi5q9IMYtzM6aBt1LUsyBw0e6WMYbxWI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)