INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e9731d39aae380860ca4105d02cf4cbf490502100be2834351a6bb481e205a0c', 
    'J+q89dowUKK3nzHLo3WSdOajtZhZS5TQdqyy3LNE/WE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)