INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21308e561d44bb749578cac30a1d9afce2fe690bf5db1a586dfbabd4a34f93f8', 
    'k0vr8ccTukij1hiUKx3lAk2lrrzNoYxgEBHSjceF2aA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)