UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'guAwOyOaCTsKVKvjMDqVD16u18+R1O6MdASgbl0By6k=' 
WHERE 
  key_id = 'b14d04c2e10a9f511094a910630a0a21ced7f7f3dcada730d9afc2a47452f048' 
  AND (
    token = 'guAwOyOaCTsKVKvjMDqVD16u18+R1O6MdASgbl0By6k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )