UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RDTyU43+JVUiWCr43aqvaFufnnAMwX7hLEkpsFioJX8=' 
WHERE 
  key_id = '201615307f2396dfe7f8409429fdb73f195b5101b591b054c4f179341347809d' 
  AND (
    token = 'RDTyU43+JVUiWCr43aqvaFufnnAMwX7hLEkpsFioJX8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )