UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yJc82uSIvi0t7oXmR/YDrnHs8duKgfjKqyKZqfzorVs=' 
WHERE 
  key_id = '51cb121dd9bff04d55118f462c3e0d97f6c305b612cb9c6ea60cfc6a747995ce' 
  AND (
    token = 'yJc82uSIvi0t7oXmR/YDrnHs8duKgfjKqyKZqfzorVs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )