UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r2kDvQPeabnV7z10XKftFnPJHeRNff6DorAc0vD1YuU=' 
WHERE 
  key_id = '251feaee01557ed82ee6929f93e488a48178ee234bd60d3974e77ae053c6a2b7' 
  AND (
    token = 'r2kDvQPeabnV7z10XKftFnPJHeRNff6DorAc0vD1YuU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )