INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21e1784a4adbf7eb2af0307cc55333dc43564dccc02666c949a954dbcb18ff43', 
    'uFU9Ue2uSgWCbQDBCjvgWdzxDgtynKSZu5FAMgTxWNY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)