INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'f21a316353ef1c2dbb8ec27435216a8f7d8642a6a70eedfc8ad1397109556af9', 
    'RdMhn8Db04bGtxVue4QEg+Nt0e8jQZYaU6ZZGLowc0Q=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)