UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SG04inAcrQE9RMb+xDkBCKnf6o7bnOYxUkpqyuS5pr0=' 
WHERE 
  key_id = '842a68cf0bf28aacb394d15d4374da3d8f2c700434a1a2afbfaea1995a425234' 
  AND (
    token = 'SG04inAcrQE9RMb+xDkBCKnf6o7bnOYxUkpqyuS5pr0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )