UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K0w/SJ+S8aGhBGcOB8hBYayCRBylHpwa4dpqofUBh3Y=' 
WHERE 
  key_id = '6e243e299086588633174fb07b226467f9c0f03f2d0bcf7db1838b2a943a1ee3' 
  AND (
    token = 'K0w/SJ+S8aGhBGcOB8hBYayCRBylHpwa4dpqofUBh3Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )