UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rPQwd+oVhdA563K1bxv7RcoEYt8tSqD1lklfxCP5+iU=' 
WHERE 
  key_id = '3d21a10514a0f86483e2aef1497318a0a3dc95b4cdb6d1a46a0b6280206559e5' 
  AND (
    token = 'rPQwd+oVhdA563K1bxv7RcoEYt8tSqD1lklfxCP5+iU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )