INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6908439acc221a92c3b7e4515014fd04eca2038f5a7c9f96bd622da91ed1e408', 
    'HLwKCvaL+jgKmckQ4a+bUvsOdnVs9//rVpOW6y0ODWU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)