INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3d8e4147d75a24465f04f54dda6cf47c8e02621f9f80a7951bc6f4351ec120d5', 
    'CstqG2rZQo+vw2Oj8+yoqraFyu4DR8sj45pE4eAw7Jg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)