UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QajsfCXDFatbeXAO8G3VP/sQtXOtqkizhJxM216O9CI=' 
WHERE 
  key_id = '3550007670e0eb5178acd3012944da6864d6a7e904a6f44fa4192616261e4f39' 
  AND (
    token = 'QajsfCXDFatbeXAO8G3VP/sQtXOtqkizhJxM216O9CI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )