UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MRO9kFrYrnvHoVdtts+botpCg1dVclw8hBbcHyDcmIU=' 
WHERE 
  key_id = 'ac71520c8e622dbd4cc6fa263b278821ea851ff3b01098405217f4b9461045f8' 
  AND (
    token = 'MRO9kFrYrnvHoVdtts+botpCg1dVclw8hBbcHyDcmIU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )