UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '71N09r/+iZwS4VY3xNVUXHUj3zVtxAVaDLUMcU7EGPo=' 
WHERE 
  key_id = '6d5a88db91f7b56a87cc1af0f473f339d8e9851d9d5022ce0fb198e61dc508b2' 
  AND (
    token = '71N09r/+iZwS4VY3xNVUXHUj3zVtxAVaDLUMcU7EGPo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )