UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm6UOxpL5FPCHFlptywC9StDU/T9pVzuMT5wbsqCxWFk=' 
WHERE 
  key_id = '6d7be8638f0e6bd569ccaee29227e952840cef90797d4de04d2aab69dd06587a' 
  AND (
    token = 'm6UOxpL5FPCHFlptywC9StDU/T9pVzuMT5wbsqCxWFk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )