UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/nkzgZ9RKCNV3KF9B2CX7RZu0igG4GhOmbTfXsnIZpU=' 
WHERE 
  key_id = '7c1864675513a2bde429c0b89f1cff771461a90415ed489d3cd2397a68e83925' 
  AND (
    token = '/nkzgZ9RKCNV3KF9B2CX7RZu0igG4GhOmbTfXsnIZpU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )