UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b8LZPrw5rLzppSQp9ZWLST2eiIIYb98ySzXy9F/eaSM=' 
WHERE 
  key_id = '428cd1dcd7a74fea118ae3ecb5d2cc21b97ea5b862c230a2d4e752d89bde1540' 
  AND (
    token = 'b8LZPrw5rLzppSQp9ZWLST2eiIIYb98ySzXy9F/eaSM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )