UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UEfhqk8VGTxHhi5dk0WakI6qeLEPjKuY7x1xC+puNOI=' 
WHERE 
  key_id = '976819985a4ca29c2cb888468189e59f2e15a73d391832a7c64c70c39ef5da7e' 
  AND (
    token = 'UEfhqk8VGTxHhi5dk0WakI6qeLEPjKuY7x1xC+puNOI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )