UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C/u6ejRgqgltACyEsqZsyEa0ZKva3US+7FdUGCiohlU=' 
WHERE 
  key_id = '7f83d1a727e8003591a23dd119c8a123d298df892f03a603f5255d435db61564' 
  AND (
    token = 'C/u6ejRgqgltACyEsqZsyEa0ZKva3US+7FdUGCiohlU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )