UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zo/F73aq4a9Cx2U3fYb/mxVTnfmVIwQOBzq5wqUWENE=' 
WHERE 
  key_id = '1a9aa15fe86dd86e4d46b3da5a21b3002e747f1fdd54f8526e14abd1e13e8c79' 
  AND (
    token = 'Zo/F73aq4a9Cx2U3fYb/mxVTnfmVIwQOBzq5wqUWENE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )