UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w8UndkXh2UMYfowCPhImBPdWZM6uOMBcNCLTjbfAeDU=' 
WHERE 
  key_id = '28dfbee4258e28dc416e98bd0f1c6cbc0e68a3c50b0f40d701882f39ed3f98de' 
  AND (
    token = 'w8UndkXh2UMYfowCPhImBPdWZM6uOMBcNCLTjbfAeDU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )