UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YyrCdgDonRX+aZdosodItDvy5rKBDBlduUn9a0YX3MY=' 
WHERE 
  key_id = 'a5b171bcbc9b6baba9bcf160ce68f730629d4dd5dbe593e8d05b5bb500ecbbb1' 
  AND (
    token = 'YyrCdgDonRX+aZdosodItDvy5rKBDBlduUn9a0YX3MY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )