UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9QgWq7DZDQZCg6jbcQzshvrbP46c7aiOF2JLGMPjxSw=' 
WHERE 
  key_id = '968e8043de9c3e47a3f766004b2e9021c853e53e53b4da90df4d888ad3a2cff1' 
  AND (
    token = '9QgWq7DZDQZCg6jbcQzshvrbP46c7aiOF2JLGMPjxSw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )