INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '938d81dbc0bb02144a7220ecabb31e41e5ea601ad15893b2a721c65dbe7ba81f', 
    'MWShg1axJprUHwMbTFiuz65QkI+LZIMTI0THiZG2EDk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)