UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'T7mk8GdfaZEgKZg34M1Owzckjm13MqPMsprW6P2bByY=' 
WHERE 
  key_id = '83be2e408e967ef961c708e54ddf425d3dd4d09b6c9c9a2db0615f92da207f7b' 
  AND (
    token = 'T7mk8GdfaZEgKZg34M1Owzckjm13MqPMsprW6P2bByY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )