UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CPcZTA1tQLvFB8YZxS+gYk8LsMmXx9giYESNrig2Ydg=' 
WHERE 
  key_id = '51fbbf817dedc50910ed7cdff81079305f8e83cc79c50499679bce87bd84f2ef' 
  AND (
    token = 'CPcZTA1tQLvFB8YZxS+gYk8LsMmXx9giYESNrig2Ydg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )