UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2vqmAx7qgaBc7VumT0eFoQvtu7P9xdoFm4xflFqGtRY=' 
WHERE 
  key_id = '20a61e77944d10e2da468b57945ba69e420273b8b3d339cbe330a21b6f9a4ca1' 
  AND (
    token = '2vqmAx7qgaBc7VumT0eFoQvtu7P9xdoFm4xflFqGtRY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )