UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E4eh7dU8eXnm3FX4pkk0BTEEH2ZUrQHJg31g1CGEk34=' 
WHERE 
  key_id = '7f4bb34b7aae93859354b1a6f918023d147209023a14fe64d6b07acaa4aaa62e' 
  AND (
    token = 'E4eh7dU8eXnm3FX4pkk0BTEEH2ZUrQHJg31g1CGEk34=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )