UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cxWEpCtjM24GDVDRZ9oCU/4Es8d+yiwSpY/+zTPX31E=' 
WHERE 
  key_id = '4e993d0af372019bdead7160aae6289551e6a964f38d66f300e6532e790b545e' 
  AND (
    token = 'cxWEpCtjM24GDVDRZ9oCU/4Es8d+yiwSpY/+zTPX31E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )