INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5ef1e3c974d812818af68e1d90a680252f2f36fe02998a2f251fdec5f1398a87', 
    '4jrpTS4O36TUTGFxDwDZhQa8mMBpEl+WXfMUpAGEaIc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)