UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'blpFZ6Faa0oQPrDzJpQGtWaldD3xILfkCM1IXENhNjE=' 
WHERE 
  key_id = '2b51621f2ab7981a4066c4b1a8bc09208f0975c011b0e90d77d6da3a94e7583c' 
  AND (
    token = 'blpFZ6Faa0oQPrDzJpQGtWaldD3xILfkCM1IXENhNjE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )