INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15d51a393ee40c07709dd828ed8eed8b73e208810fcaa0f13081aab31b82865d', 
    'CuE2jcWNbXXBoSjrUDJqPcKT12O4MZFlCW9YmMhn8eY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00057

Result

int(1)