INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21f55bfa0526e00c987831e89aa8f1542ee0697bc8c084265e0b97a3088c15bf', 
    'ZJQinM/2SwlU0IWkSocd9MGSmESYMTIqNXTKH0TFz2c=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)