INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '304d63fb42bec14ed8f62221a9aa13a26f9306692e464456c175c9f73999c442', 
    'QRovAik1v4CHRMZpshuIhjUity4ngfJMBfMTY/LNa6U=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)