UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yPQVz90UTvJmvFY4U3wQuA5TWQJT+VoW7+HUgwTMElo=' 
WHERE 
  key_id = '6b420298930cb966bdf4af9aa48af83cce935bc897eb68be2e679710523f82b1' 
  AND (
    token = 'yPQVz90UTvJmvFY4U3wQuA5TWQJT+VoW7+HUgwTMElo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )