INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '251a03dc38a13d7d4304238fb958106d59c6e7b98aca8c37769ad34d406fd23a', 
    'eQyqcChIOIqiJQDlcg2WSTTN2o/OaNc2MByghI2gjIE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)