UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yUzjCjCHaef1bHnygFos8wym3Vt+jpDSohVjk8sJk80=' 
WHERE 
  key_id = '32a15c4e608dd524361a13a8834958e1479462de91c07c6d4ac7fcb0e861a296' 
  AND (
    token = 'yUzjCjCHaef1bHnygFos8wym3Vt+jpDSohVjk8sJk80=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )