UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wsv4ZQA81/rGWNqr1Ea9nq7XTVgS7pbKU0V7Jt0BfIU=' 
WHERE 
  key_id = '876ebaf105ebb6b681d9bbf5d5d58ff68bdbe5888680358ae9ff85f6b386b869' 
  AND (
    token = 'wsv4ZQA81/rGWNqr1Ea9nq7XTVgS7pbKU0V7Jt0BfIU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )