UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+Iu8DRmfrhWIu1yjS+e+EwFcT+RCYfUhBXNWhAWSOA0=' 
WHERE 
  key_id = '2c81d618c9f569de271a96b35bdaf20b0ca72e630be3301cb37ec3d1a7bf0111' 
  AND (
    token = '+Iu8DRmfrhWIu1yjS+e+EwFcT+RCYfUhBXNWhAWSOA0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )