UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q8JrEoxL1tvo7L41HkVt1HkPkU01wrxaVHXZt/eTHIA=' 
WHERE 
  key_id = '8fc0a3444d347a0728ef58c2892e7fed7043c64ee41ac1a750ffaa6d0f589636' 
  AND (
    token = 'q8JrEoxL1tvo7L41HkVt1HkPkU01wrxaVHXZt/eTHIA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )