UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P3adxoRVzClu37iuyOEgajJ4f6/qqntlZVhFwNKPmps=' 
WHERE 
  key_id = '4839ca4e2a35c2afe508fb351e9e215f0ced403e49289fe666f980e79b9390dc' 
  AND (
    token = 'P3adxoRVzClu37iuyOEgajJ4f6/qqntlZVhFwNKPmps=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )