INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '877f3280a1a4b32d60123061428d2ced174be1416578a661bb01b7c3cafd5112', 
    '6at7q634QRtKoT1f78qOJKeVrLSK1eRsGNcIKT0IRJM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00050

Result

int(1)