UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iqlZHtRRBbGeux557rdKpknAifPwpWOD2OeQyUjvHZ8=' 
WHERE 
  key_id = '97652d6213ee97b28b0d6316e59bc9eb75ee3e97807ec6b20d0d300c507795f1' 
  AND (
    token = 'iqlZHtRRBbGeux557rdKpknAifPwpWOD2OeQyUjvHZ8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )