INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '39974fcffc2ced2681f95d998424af69f7188be238768a3e21b2bedeebb6a578', 
    '2gHwBEzQm5VI4hNXVAJpZAy5EzM3Ei78Ta1SdkGgnOQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)