UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pc4OE1MnE56ALMY69qWlyQ6GflliqSVWRYvCYLPXPXo=' 
WHERE 
  key_id = 'bf0e9946a130f8d1b0e73272bb49cfc7f50a287ed2f05edd6feb78475dedc69d' 
  AND (
    token = 'Pc4OE1MnE56ALMY69qWlyQ6GflliqSVWRYvCYLPXPXo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )