UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MtZ+jkJDv2xP7u5fHTZylKgVFw9T4Em/IZDFxAXNB6I=' 
WHERE 
  key_id = 'c26cdc302e1c5633b27f4c2e1e7dccd80c00ea06c788ffe69e5a070777cd5a58' 
  AND (
    token = 'MtZ+jkJDv2xP7u5fHTZylKgVFw9T4Em/IZDFxAXNB6I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )