UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nX+AwgRhKKhpTqwp0eBM2zeUF3HzGWILLckDlE6XCuE=' 
WHERE 
  key_id = '53bdd8a5a0c205622057037c49ef6789105a13b091d9c343248e01baffd23704' 
  AND (
    token = 'nX+AwgRhKKhpTqwp0eBM2zeUF3HzGWILLckDlE6XCuE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )