UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QKxW2t4Xq7F20tCA5MwxfkO8VEPM/L6ncWCNbv+viSQ=' 
WHERE 
  key_id = '68f95ac959abe6f52f246a526360ff0ab528ada8288bf3e35e456f8ae741c768' 
  AND (
    token = 'QKxW2t4Xq7F20tCA5MwxfkO8VEPM/L6ncWCNbv+viSQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )