UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RRmQvUCu7o+FKrxcOsVs9rfyJLEMWvHkv1gUdc3xNZY=' 
WHERE 
  key_id = 'b4de40cfb6ffd08338ccb31265ea087b843c116a279b9d8eda37d596f7dc6855' 
  AND (
    token = 'RRmQvUCu7o+FKrxcOsVs9rfyJLEMWvHkv1gUdc3xNZY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )