UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BPRwkyxtNaGhka+/szZjYO8eiwA7aB6F5dCblA3pzok=' 
WHERE 
  key_id = '6869973d2e4e5abb210d596203ffb88f10f33dcfcd10561d877358318c75d63b' 
  AND (
    token = 'BPRwkyxtNaGhka+/szZjYO8eiwA7aB6F5dCblA3pzok=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )