INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21fa2dd2c9322c338de4d4045735f62dcc6237a14d995642606dded573edfff4', 
    'ql6PeU+7woOLd6EEwZQAfqZBDnT7nVnSkLILkzC56mc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)