INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21940175a458854839413271f845ad41ffd06dcc61332f607c7b47afb5f8b13a', 
    '4y1NtlnFYgrpUx/tAkdoM3zSoZB2xqEBzwE6Y748Cew=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)