UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Un7h4bXFGIOkjmgoCqHpIQS+fyP8cvnGmz4kI/lsSYI=' 
WHERE 
  key_id = 'b26c9a95bf8f9612f5b22c077f298d1964c0408cf7d4b734d93bf6c55dc1d46a' 
  AND (
    token = 'Un7h4bXFGIOkjmgoCqHpIQS+fyP8cvnGmz4kI/lsSYI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )