UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tnxhaGS0+AcNhEKJKbkBXjEiXsqODA7YSFh6yNbVX9k=' 
WHERE 
  key_id = '6ba48313e21dc2ee41e58034059be2d2335ed0503c79806dced87e5fcb8a92ca' 
  AND (
    token = 'tnxhaGS0+AcNhEKJKbkBXjEiXsqODA7YSFh6yNbVX9k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )