UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IxjykBJWj3kOVkemelL9lHkqUTD01hyWXg3y7ANPtKw=' 
WHERE 
  key_id = '8a81294bd9aacc32767988f77279cf0a246a2ec6ca655da9d04765316aea2b6b' 
  AND (
    token = 'IxjykBJWj3kOVkemelL9lHkqUTD01hyWXg3y7ANPtKw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )