UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'T1xIwRjsjFaQGE4cjzatNBvjcVCqmydteDMv6u9Ft+Y=' 
WHERE 
  key_id = '8c36e0966e2aae63513dd05a27c586b1433dbe71fefa9f920a8ce733625a14cf' 
  AND (
    token = 'T1xIwRjsjFaQGE4cjzatNBvjcVCqmydteDMv6u9Ft+Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )