UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm8pa7zlcllIYqjRaX3quLZVOdrh7oOT8CNVfskGUhmI=' 
WHERE 
  key_id = '21872d8a1c517aa1e3bd4231142ac02b245ff1a6763a26acc6059d44b9fb7b66' 
  AND (
    token = 'm8pa7zlcllIYqjRaX3quLZVOdrh7oOT8CNVfskGUhmI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )