UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PWhjvzYtiywBq+gz5uHiO1XIkPKuVOwkFacQFpcVFd8=' 
WHERE 
  key_id = 'c23b4be63c974039936cded2ce26eeb5916308ab9572793d5008f9000328c4f4' 
  AND (
    token = 'PWhjvzYtiywBq+gz5uHiO1XIkPKuVOwkFacQFpcVFd8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )