INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '91a468ee5ba1c1c1e0463a92d2c0112042230f919ad506d5fe14711131c2af44', 
    'mK78mitXN4HXEdEcA+vj8hK2nqCbtUDkgZOFAQ3kxTQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00038

Result

int(1)