INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21f29d87a82875983cfc9f1f7b7616cf803d14907cc16f158156222ff6d8177d', 
    'U5uCp62tNzioCJ2Wly1fc7WDE8t/gZ9226YI4pEygxY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)