UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'xnpyFCW6cz07C5zwuZd03MSbxWTqk3n7WdDA7TaCmMk=' 
WHERE 
  key_id = '38d2e1669f41a6e1cb05f68ea0bdf53cfd199d3f0a95d4e44cddaf77371600b3' 
  AND (
    token = 'xnpyFCW6cz07C5zwuZd03MSbxWTqk3n7WdDA7TaCmMk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )