UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cJfkwNKPQthLT70XXVV7j5AcURG5dadqaOGm8clrt7o=' 
WHERE 
  key_id = '9d48a950d76ba8d0afa8c08a838a1bc9b696a76efc80b59c453940c7269e18b7' 
  AND (
    token = 'cJfkwNKPQthLT70XXVV7j5AcURG5dadqaOGm8clrt7o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )