UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Epi6acj93GwZwYGQi4UhHf8m8mzOQtQg8m9BxKS26V0=' 
WHERE 
  key_id = 'be6d28c81e8d2a3631fff9e6fa628ec00d4164a844c58f88796a50a0f6aba3ff' 
  AND (
    token = 'Epi6acj93GwZwYGQi4UhHf8m8mzOQtQg8m9BxKS26V0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )