UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b7yMYudaJPZmSZzfio7wEH2j1hOSDiNRVxrB2De/tNg=' 
WHERE 
  key_id = '06e17a4ff68305354a9baa92149579ac798969d554e6c19d120482a540765f6a' 
  AND (
    token = 'b7yMYudaJPZmSZzfio7wEH2j1hOSDiNRVxrB2De/tNg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )