INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15edf89aacc1036777b64d43495511db3719e5356728eadf6d51ad8c44639d6f', 
    'NkZaWQlGlTedlNztLPnO2nBwdxEasgbp3glD0KydMz0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)