UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CWxfF+BCjqUEzCQDKY0pBl9rhml11rxJz2MpCDRcBDc=' 
WHERE 
  key_id = '8763fd5a3523a4d82a97482efb9cba59a8d5bd3a505b629785d00f9d24364220' 
  AND (
    token = 'CWxfF+BCjqUEzCQDKY0pBl9rhml11rxJz2MpCDRcBDc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )