INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3e21bb24dec991235c71aa57cfb568f4248846a5288e12769630033c6370e836', 
    'vjhjk11tlE4CR0JjFq+95lYznTZb5hwksBKPA8ac89I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)