INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '398fb5ba3945d5cc570eb5402034c2bb1e80be692104229de501e99a2da40335', 
    'hxm+FZc6fgc7EJnik9E8VG+ydXj6EPNuq8zM0OSmhJg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)