UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6BHm2/h0sCFBMpBQ0cNDq8xEZi1eMEGfc53bAzdVqKw=' 
WHERE 
  key_id = 'c5b31e93d2ea3f0edc7c184b5d4994ed05ead57f782734b3ce369ceb32c96909' 
  AND (
    token = '6BHm2/h0sCFBMpBQ0cNDq8xEZi1eMEGfc53bAzdVqKw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )