UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a3+jMmETBQPKH8P2B5eSQyHZa2f/ud5UEFNqJi4SLKY=' 
WHERE 
  key_id = '50957e3180f0eb9ff8381f63d05d5afd28455dd9e5f2a701f9b2e89e7cb3f29b' 
  AND (
    token = 'a3+jMmETBQPKH8P2B5eSQyHZa2f/ud5UEFNqJi4SLKY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )