UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mDaRzLqEhMiZqBhWIRqzw3QHyk6kSO5K8k9IiVG2lOY=' 
WHERE 
  key_id = '6846527dac2d839302f82c2c4b1d5f154be15434b890bde1e08448c6a07df9c4' 
  AND (
    token = 'mDaRzLqEhMiZqBhWIRqzw3QHyk6kSO5K8k9IiVG2lOY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )