UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MDk0C6o+fWVyMF5IgOYEByPVUoEFjFlWv+TYl+tkdtU=' 
WHERE 
  key_id = '5a73cde0f69498e5ecf7099e70688e3ac676e98de81bcc351b7a87d3cd83209f' 
  AND (
    token = 'MDk0C6o+fWVyMF5IgOYEByPVUoEFjFlWv+TYl+tkdtU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )