UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B7pgbfeSb158KdGqNTe8DKwL1QWBYs7zpPdsr3XsV4U=' 
WHERE 
  key_id = '3b51dc1cda9a568c93c2347a810845dab52e2c58d835297277586a37db8d5cd4' 
  AND (
    token = 'B7pgbfeSb158KdGqNTe8DKwL1QWBYs7zpPdsr3XsV4U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )