UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vGS9YOk3dC3TFeU+ccB+mz2H/fIUqCIZF7cIj1OsAtI=' 
WHERE 
  key_id = 'ce5c5faf50afa074200a37594de30fa57c9148a06e0887a75fe8c09b9ef61166' 
  AND (
    token = 'vGS9YOk3dC3TFeU+ccB+mz2H/fIUqCIZF7cIj1OsAtI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )