UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RVWpG0kGedfomVpaItcXDmTwkoEiwVwwtUTYHzDnqPs=' 
WHERE 
  key_id = '49e7a057569377cc3be9c10ff7da07c0a68f6f62a65824ed1f816158f6111ca3' 
  AND (
    token = 'RVWpG0kGedfomVpaItcXDmTwkoEiwVwwtUTYHzDnqPs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )