UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'luG/8cG5ZIl/sojh0LQdU8eobJWLtFVZt8P65nUXF4Y=' 
WHERE 
  key_id = 'f87b005d75a082804ef26e64e4ead6baf625f13efc857a4f28e901317e190e09' 
  AND (
    token = 'luG/8cG5ZIl/sojh0LQdU8eobJWLtFVZt8P65nUXF4Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )