INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '743615877c004b366ba1728709bd55cdabc0f2373b7fbe78a689655b4def8049', 
    'pR+Bs8Wnlof2WKPdueU2RyfvHHqb9hBD2gYRI5+FuHw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)