UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+Ur7LNeU3LJWWEPE/RlH8/RXYOEwvqgscmJvSYRnHhQ=' 
WHERE 
  key_id = '81c6930903e4bf9e58fb1abea6df69d48aa530f38851eda0ff8501959d07d052' 
  AND (
    token = '+Ur7LNeU3LJWWEPE/RlH8/RXYOEwvqgscmJvSYRnHhQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )