UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Az7O0cxkzUrgb5ARfz7gt+uDC0dUhZd30gnvEYCkJw0=' 
WHERE 
  key_id = '8dd93ba3dac060c10812fcecd2e5b9b0526a659b16752613a030d4e8c1278e89' 
  AND (
    token = 'Az7O0cxkzUrgb5ARfz7gt+uDC0dUhZd30gnvEYCkJw0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )