UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r8mdW3gTEPJyTBhJ2NLQT+ERhZeu/HJjgT7pq7iHngY=' 
WHERE 
  key_id = '806f57d7afc9e66e5c9448481865235e52b20cef019da1f7248d0d1c442d2495' 
  AND (
    token = 'r8mdW3gTEPJyTBhJ2NLQT+ERhZeu/HJjgT7pq7iHngY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )