UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'axCqCO7BKBfOYJa53A0bACocS7cswKt75NfV7LE6AOU=' 
WHERE 
  key_id = '2f3949ad9e3583f4a8594a955c58ad19c2cee8ffc481060c80a89c3ee258461f' 
  AND (
    token = 'axCqCO7BKBfOYJa53A0bACocS7cswKt75NfV7LE6AOU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )