UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U+pouHDa/d65LCaggeX8jaWbMvxGrDcI8uUAU+eVepA=' 
WHERE 
  key_id = '4cb8719e1df501c39896ce17b442aac0a6ef7fe50f48db5769a622e85ca519ef' 
  AND (
    token = 'U+pouHDa/d65LCaggeX8jaWbMvxGrDcI8uUAU+eVepA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )