UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k3XttcmaBfyo4QkSQgbSyLLHoaMu1zjw9jJbd7iBXTs=' 
WHERE 
  key_id = '476d5877229cbc88e3004433f7839ae558107a410cc93759d7ad2acbd992951a' 
  AND (
    token = 'k3XttcmaBfyo4QkSQgbSyLLHoaMu1zjw9jJbd7iBXTs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )