UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e0BwAVgtiYoznF76doN7EGWj1m4915pllkvLvzE3PJs=' 
WHERE 
  key_id = '26876c80b20acea5c1a52a494e4c4b97b9306f04e206b6f8727f64a4bc4a389d' 
  AND (
    token = 'e0BwAVgtiYoznF76doN7EGWj1m4915pllkvLvzE3PJs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )