UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1NXD7tdLABPPbd4HU3QWKsAaycyTiipUVjT8diIrdT8=' 
WHERE 
  key_id = 'b2e2b231de7eee2ce3c1a2739408fbf7e7436c90f28e3143a33625b56a70b82d' 
  AND (
    token = '1NXD7tdLABPPbd4HU3QWKsAaycyTiipUVjT8diIrdT8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )