INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a4f888450987b99049945feafb28a218256e45eb8e8fed03f24b99849bcfc3e6', 
    '3gbNL8CxoHdSwtJzD6pQcrmOyFtfQUaqWUtjbCnwVDk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)