INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '748c51cde93d006a552ce813aa43e08fa874c20969153633292dd661768f7f92', 
    'C4ya5s5k1Nupl7OLubZj2ZLUV0N6J4GBk6T7Fmd49z4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)