INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4ef646e79ab7db8b208dda929351d637c0edee5c549b81f58020360b068a398c', 
    'u9Nq3dmiTJDjazDjtiVku3+tWsQ0G41cyDVDs7pcLPk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)