INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '16ca2aecb79484046162b82ee9dc7ba1b66c8cb89bd991e4dddb38757d8f717d', 
    '1Qg6n//XoE53Z3U2xfze2dlRv8rK2c6CrC7WsnKpI/o=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)