UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'F3C2AjBClldIqfRQBQwuxMMkoE/oBvWd9p0WQz2+wcE=' 
WHERE 
  key_id = '3fde8adb3609a166629253057c3c49b7d12d35c2738a0b45eaf873e0a6bac361' 
  AND (
    token = 'F3C2AjBClldIqfRQBQwuxMMkoE/oBvWd9p0WQz2+wcE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )