UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xHExt4bwWiLxze6SqcAgv+P0nh6K8iZSmAqE6ovCehw=' 
WHERE 
  key_id = '1eb851a3e269e69878409fae0977895e48b22a294f3dd2bf99c6501ff88e7db9' 
  AND (
    token = 'xHExt4bwWiLxze6SqcAgv+P0nh6K8iZSmAqE6ovCehw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )