UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6rRhRe5mwrX76w39CoXg1qkZnoW1sKgTc7VeeWknul0=' 
WHERE 
  key_id = 'a9a179c37005abc903a5971ebfe14e3a8ad9633078547c2f6d98a39ba8f610c7' 
  AND (
    token = '6rRhRe5mwrX76w39CoXg1qkZnoW1sKgTc7VeeWknul0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )