INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5256f0a3e78467585ba31edbc671abb73f76fb3d40e0caa1fed584a13f60747b', 
    '5zLmhGeFyOV3kgZs3+4yVAMIq2N9ZvwT4dWFx14yilw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)