UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9GiUrUKdmwHkugRL2P6gjWctkj+rbCPvNl5uzS+orLE=' 
WHERE 
  key_id = '98ee34ef5363e9a2ef857ec40722f387c43cc382481a9f972303ebe203f1fa3a' 
  AND (
    token = '9GiUrUKdmwHkugRL2P6gjWctkj+rbCPvNl5uzS+orLE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )