INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '19e4ad63edbb61b683e098e580090ccc21998a8788fc1db10b51f19cc6781907', 
    '6HzoJpsiCKpAHHAv1zcpblV1JshB2N4IEOdgpwldguU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)