UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L2a2xCZgcpIB8PQHWVVprA3WeGgEa5yBll51Yn6Ce3k=' 
WHERE 
  key_id = '68dc96f0d35556313290c53d823d1d45c50ed54ef6846b644b9068763797b33d' 
  AND (
    token = 'L2a2xCZgcpIB8PQHWVVprA3WeGgEa5yBll51Yn6Ce3k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )