UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zaDp8hN4SqEQYeCrPfvK4P7hTSTCw7U41OgiuUd6uxI=' 
WHERE 
  key_id = '767801e84e4dbf4f0ac8045870e205ae08c52ab39ff0fa6b2ccdb0a6d0633c8f' 
  AND (
    token = 'zaDp8hN4SqEQYeCrPfvK4P7hTSTCw7U41OgiuUd6uxI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )