INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6423d7e870835a909864c510ef8502a02d78b0a42f597f1af69a3fdc99132195', 
    'h4IjBCZiGZPjsJToDvIUOra0rFDYewjYWbhHo/ZL37U=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)