INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '857738ba7e04a0fe835474ffe53211f27a6ee854a42f55e365922657fa7bae7a', 
    '5Hwu+WwwWoBFFwJhqch7KHg0jF0HiOeWsP1Mn5MQGtY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)