UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lqkehf3aYm+8TcYiiPSZO9jWaSX+Ytvz2umlNIxqixc=' 
WHERE 
  key_id = '31d6713e228994eb20ee90f2965c3f0b064e736a6e234d3e73b0bb4b17776598' 
  AND (
    token = 'Lqkehf3aYm+8TcYiiPSZO9jWaSX+Ytvz2umlNIxqixc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )