UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MQ1Vn63wXknvRIYCvDgPQKQpEToNWszeGlFONLcThAM=' 
WHERE 
  key_id = '389392a1a1a8327b0e5d32225144495618b8a3a1c92c558b3a2f4da7c0ee7763' 
  AND (
    token = 'MQ1Vn63wXknvRIYCvDgPQKQpEToNWszeGlFONLcThAM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )