UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EVN7LBd/1JCs3+9SKkORs+uvT40qihzlGaalGHoIrXU=' 
WHERE 
  key_id = '977e91a82895c45e5d57bdc26559283a6f1a14d0ca7c4cbe53bce98ebcd581ca' 
  AND (
    token = 'EVN7LBd/1JCs3+9SKkORs+uvT40qihzlGaalGHoIrXU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )