INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a15f2a6537c3ee9585743743c8223817a3fe215e698b7db021a97b764410cafa', 
    'JeQvSkqJiLXGUMVdJu9EoktqYUT9IVERghnYUal15YY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00054

Result

int(1)