INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a3a94f498d0e3c1afe1d6e82624948b744aedbfdd43f479728722d6e48041bc7', 
    'EDqK1aOMtLQOR0aQBABv6ZxARjcFxaQOgDvVrkqgO/o=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)