UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'T+/QSENNAzvWod5tWX1cQ93NjqzBXQE7mLTXqJ6kazU=' 
WHERE 
  key_id = '6812bbb83f46a74c09c50993c747e3898a63895309f91048ab1edcc5c14b656d' 
  AND (
    token = 'T+/QSENNAzvWod5tWX1cQ93NjqzBXQE7mLTXqJ6kazU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )