UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tukPMie170z6s0qMuyOc/Ul+dWmYMu4WxWtmyIuIUic=' 
WHERE 
  key_id = '2e41d04d89c7be274e744b7425c502c0b48a70508f5e126c25ce3076dc02bbe5' 
  AND (
    token = 'tukPMie170z6s0qMuyOc/Ul+dWmYMu4WxWtmyIuIUic=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )