UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nPxJ34o2BfqErt37Pvmg7IJBrUNckOQn4RGYVhWfX1g=' 
WHERE 
  key_id = '860a71c34aaead1187bc681faeb89a9fef73eaa2412bbf49c6837490e3a94268' 
  AND (
    token = 'nPxJ34o2BfqErt37Pvmg7IJBrUNckOQn4RGYVhWfX1g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )