UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qIbeOnNVOwdbwqYoBR/8qa3e/mUc4HgI1WHe6jpsDaU=' 
WHERE 
  key_id = 'd50c63e41d439e167eea47e253da2b0dcf78402c17c3255bd6597b2bdfd72529' 
  AND (
    token = 'qIbeOnNVOwdbwqYoBR/8qa3e/mUc4HgI1WHe6jpsDaU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )