INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15fa700f9a82447de49e827a6d6cd5a76ab9d9cdc215fd351ccdd4eb39f67973', 
    'K76O9TgjA1jsY4FQY2q9IyBtH7oPdd6DxDsx7esyoRI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00038

Result

int(1)