INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '46753fe09af9456820f094389631b466397e07670994e19d3eec7a99eb3cdd05', 
    'Cdhs53WPsmSgUQbj2lM7DqhH0dqTuimqyfArBHBOrjY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)