UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RZ4k8/UTZ9N9mU2cbAjRLKHmLiZ18jPizeHue8cC3WQ=' 
WHERE 
  key_id = '6b7e5d8304b3faf5149fee4c1c7270d325a99e5c503e9a19b0478e45592a9437' 
  AND (
    token = 'RZ4k8/UTZ9N9mU2cbAjRLKHmLiZ18jPizeHue8cC3WQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )