UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sUMhhou+TyV9LL4XIkI2kY8xpFtcVQfblNR8Ch00RhU=' 
WHERE 
  key_id = '594b81dc42af1c2aabb59c952238c5225409822d39bd296f26fa1b457e43f878' 
  AND (
    token = 'sUMhhou+TyV9LL4XIkI2kY8xpFtcVQfblNR8Ch00RhU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )