UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8/xrDUZgf6z/kdrroOJ5ZA0nzbiaMTkfvEPdVf5daKE=' 
WHERE 
  key_id = 'f76c99aff250aafd7184cf3d9f68823ad20d9f3c45b36dfacfe4fb0ab7863f19' 
  AND (
    token = '8/xrDUZgf6z/kdrroOJ5ZA0nzbiaMTkfvEPdVf5daKE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )