UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0v+/0iBVPvRPmedXXrvHidhZar82/ze1O3b6lQzSVKs=' 
WHERE 
  key_id = 'a47d17e996f5f0eb1012c13eb709189c0f32897f87029e7bc590be1e21fd7a1b' 
  AND (
    token = '0v+/0iBVPvRPmedXXrvHidhZar82/ze1O3b6lQzSVKs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )