UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WPm545d0AEb+XAmxC79Xnzf7+g8K34JbiEOXs8GbyVc=' 
WHERE 
  key_id = 'a71ed31ae782c8ee696a22e35891e4af801b5a12b3ea1c88a3d75620996fb4f7' 
  AND (
    token = 'WPm545d0AEb+XAmxC79Xnzf7+g8K34JbiEOXs8GbyVc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )