UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rx8YOqthdeSDLucKpwHMBvMle94g8FAdRPeBeSbZXcc=' 
WHERE 
  key_id = '5efdd1bce75613a622a5ab6af2e5329aa4a7a2635a3ab75be8e98c493fa76600' 
  AND (
    token = 'Rx8YOqthdeSDLucKpwHMBvMle94g8FAdRPeBeSbZXcc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )