UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6pY4fdrunIRbcEyCXzKd77ptCqYhagk8XfnWzU+pCu4=' 
WHERE 
  key_id = '271aa70b97dc2f7b2c15bb5912e5d42b197c768bbab24c167f756fb2af441062' 
  AND (
    token = '6pY4fdrunIRbcEyCXzKd77ptCqYhagk8XfnWzU+pCu4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )