INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '340390e02c5b38136233deff2fe12b1efbec7945bcc058999c765c34fe217fca', 
    'QoYYjpHT4JEyc8Oi7jF2yq6qx2cx1XZ5AgMhQtL0+gA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)