UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zLzbeCAMuPo7xyNyYIPG3tFkmwsSwrW5deGPJoiQulI=' 
WHERE 
  key_id = '6a3723c036b13ea82243cd1d7f7993932830ebe715ebe330919034dcb81eb76b' 
  AND (
    token = 'zLzbeCAMuPo7xyNyYIPG3tFkmwsSwrW5deGPJoiQulI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )