INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b21fc03f9c77644722505790c0b19422a6246cfc3a6407d24c05d383ded3c02f', 
    '4cNXqLZYAhhBJUF7CPvRj4EJGppyE4XOGp4l1sjGUvw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)