UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SQC+vTm0syv92roTUu9zN0M3lENYxTzH3iviqWGMucI=' 
WHERE 
  key_id = '3dcdfb66034de7e50c70852f3861137b41cb3ec2d47849b9fafebdff7a179455' 
  AND (
    token = 'SQC+vTm0syv92roTUu9zN0M3lENYxTzH3iviqWGMucI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )