UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9aLJadysFTEK2RMe1EQb3hXmAoadMzYmAUrVbB43FVI=' 
WHERE 
  key_id = '818d2bbefcb0efed71f8f894726394e0f94130b40a4203175c8ebe145cfee960' 
  AND (
    token = '9aLJadysFTEK2RMe1EQb3hXmAoadMzYmAUrVbB43FVI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )