INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ef50b81333df9d3a4b01da7100c2894597dcdb5143c6d6acc5df7a8e49b84ddd', 
    'E6cU2rdlnWxzl+MIJQtD8fYrHy4xSkKIBdjNuUOjSAg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)