UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RpQUSeLMxPtQLm49z09u7HdGCAvycbv1rtJ9VqODfTo=' 
WHERE 
  key_id = '6c3c5e6b053c11bbf4df029b64c85686e6e69e5df58bc9035c3951bd5521d7af' 
  AND (
    token = 'RpQUSeLMxPtQLm49z09u7HdGCAvycbv1rtJ9VqODfTo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )