UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P4pPcYTl3TiwvJvLWYCpCPs1MgL0OrU4fESioF1fNCY=' 
WHERE 
  key_id = '6bdbf34bf16add257f138c3b7ace7904ce9bd73c01cb35fe44bb98483786774a' 
  AND (
    token = 'P4pPcYTl3TiwvJvLWYCpCPs1MgL0OrU4fESioF1fNCY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )