UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eepl0VKpkg38lwgHoz53YphC+6++QbHNvGVjW206OQc=' 
WHERE 
  key_id = '3ce89cd5d5263cc556c966decba66ca924dcad027c8ea635556d32b5d61eec18' 
  AND (
    token = 'eepl0VKpkg38lwgHoz53YphC+6++QbHNvGVjW206OQc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )