INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '921cc4b83cfb8be47206fbda095cf18c983fe4ddacb8ab67362d2d6d9040746e', 
    'b4Yf5FgBOP3+qG0xEWfLJXUfEhF9pSHufo8+XeIvGvc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)