INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21d6b44303a21f3f51b5218cca2b0a04a617aed257aff9183554ab932e964134', 
    'cVl+yuNXer/CbPxoEkSBD7WKdBJVspo7ilSzgojY5ew=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)