UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kaRe+k6bl1WkxMBnCA8xgBzx6moQ2zIsA9kbW22USVY=' 
WHERE 
  key_id = '12f7631957df3597267589c9961ac42c81075953d9878b17aee80568ac792257' 
  AND (
    token = 'kaRe+k6bl1WkxMBnCA8xgBzx6moQ2zIsA9kbW22USVY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )