UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4NKxfp5riia3HVI5KU6gcdqpYXEJ4/Nx2OeRhnExOAk=' 
WHERE 
  key_id = '27a9032886c15728b8822742a1dd2ac291929d7017b5009cbb6e79b467b95f87' 
  AND (
    token = '4NKxfp5riia3HVI5KU6gcdqpYXEJ4/Nx2OeRhnExOAk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )