UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'o15WZvWc4CheexPbZ4HzwK9SAnKLuUw5pBmVPq2wsvo=' 
WHERE 
  key_id = '81e7a8c99354b9e152df588ad46cb7e5ee107ab9dcb1978eb12cd9d8b6686f5c' 
  AND (
    token = 'o15WZvWc4CheexPbZ4HzwK9SAnKLuUw5pBmVPq2wsvo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )