UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MJsPfIuJbyrFUCkFW7CTlLzCt+OY22oUlIk75ohQ6jY=' 
WHERE 
  key_id = '8841c4a3bc0a71792768fc29ed23a13a235a79b7a8fc9a6725b9a658616f38f0' 
  AND (
    token = 'MJsPfIuJbyrFUCkFW7CTlLzCt+OY22oUlIk75ohQ6jY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )