UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xe8TX23CxzF7IRI/HGkMOJPJpWkPu66292spaDYbWbk=' 
WHERE 
  key_id = 'd3ae54be81df184e98d0c738dc4a1498820693377bd45b9d86b8bae8a3a552e6' 
  AND (
    token = 'Xe8TX23CxzF7IRI/HGkMOJPJpWkPu66292spaDYbWbk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )