UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XLUFuXMHO7aFivi9M0XaOVyyGjaVw1x0pDKNohVwIgY=' 
WHERE 
  key_id = '28b5f81a462c1c89ebdbd5845dc0aa0310293ccfaf6231b99346b4375805e1a3' 
  AND (
    token = 'XLUFuXMHO7aFivi9M0XaOVyyGjaVw1x0pDKNohVwIgY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )