UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BhSQL2i3vUavcxK9YgFYuvRfRwNJiD8ACzM0F2jJJmM=' 
WHERE 
  key_id = '8c2ce68efc0e20d8054b0de16a0443c5444e582965cda754756943e16148f1ae' 
  AND (
    token = 'BhSQL2i3vUavcxK9YgFYuvRfRwNJiD8ACzM0F2jJJmM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )