INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '678378ca3def6534e7dd68539a98f50cb5165a3a207f5e0101266890799d341b', 
    'Ll/swMXhyrrU8VHpF6ptBGp87Et4B0jA07E82orQkMA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)