UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MdnTYU4BT4aEo4t7f3ENK763vway0UsuWLgRYTBcc0Q=' 
WHERE 
  key_id = '84d885b804b0f82ff3cc1cb0333079eccb3b7b758cb8b0b58f2869255d6fd19d' 
  AND (
    token = 'MdnTYU4BT4aEo4t7f3ENK763vway0UsuWLgRYTBcc0Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )