INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '88bc238d044a120b73f0f7889d74efb4056f9acf50f9513d8466e188e07bd40b', 
    '4JtqspkkjEtv9jjC9ztdW2PL0iFf78bA0oz2RS0Hrfg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)