UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ezad6dJLsxK/4CRjKth9ZsH0fl4YzkNHCX+dn6Tow3I=' 
WHERE 
  key_id = 'ff9f4a39d22c736bf012020808292d6af976bcecc315d23897a46cca35b6fed3' 
  AND (
    token = 'Ezad6dJLsxK/4CRjKth9ZsH0fl4YzkNHCX+dn6Tow3I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )