UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n76OWxNXfnMxfFZOLd3xHVEuYeRfpkIPNnZEnPX5yRI=' 
WHERE 
  key_id = 'a8c28624dde55cd658dbac06ab0881ff13e2f1c58612feae31b10ebe98739730' 
  AND (
    token = 'n76OWxNXfnMxfFZOLd3xHVEuYeRfpkIPNnZEnPX5yRI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )