UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rpu3WZvO7Gi+M3jTbFkQbtJ6WKe6qqSFH1HAXIPuhIg=' 
WHERE 
  key_id = 'c481ebebf94e71edf743a8fc3bea88443604e08667bee987c0418b16b5b04369' 
  AND (
    token = 'rpu3WZvO7Gi+M3jTbFkQbtJ6WKe6qqSFH1HAXIPuhIg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )