UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KmzXRE/yVHiuY5Kn9C7A+CZodMNSUtrobUjA3OIusbE=' 
WHERE 
  key_id = '91950dd701717df1563149c08f179b9a67a71b886992394e62d5db3bc7632040' 
  AND (
    token = 'KmzXRE/yVHiuY5Kn9C7A+CZodMNSUtrobUjA3OIusbE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )