UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BzD8HFmZvg4VZKzR+ENnDAxR0R3urIBSSnkNzDx+xFg=' 
WHERE 
  key_id = '28b721d68b0b6fb892c6b0e057b8227a60d99f18eae6fc6d249a5dcb9a6bf2c8' 
  AND (
    token = 'BzD8HFmZvg4VZKzR+ENnDAxR0R3urIBSSnkNzDx+xFg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )