UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vKkFobcAtlahVAj052QHwM3WkL85O2W27Db53Mmc1eQ=' 
WHERE 
  key_id = '51b1943701a90bd6b0aa3b3c49b9a223764ea5f138fae105c0f86fb7e26abdfc' 
  AND (
    token = 'vKkFobcAtlahVAj052QHwM3WkL85O2W27Db53Mmc1eQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )