UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ervcw6K/flXnW7IxZScI6KvTCXBaEbLkO27E9bujJtE=' 
WHERE 
  key_id = '30cbc90db4c169f04b849e27bc87ca5cf60698918c3ff83bec3617cad001f972' 
  AND (
    token = 'Ervcw6K/flXnW7IxZScI6KvTCXBaEbLkO27E9bujJtE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )