UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'f2ZLnCa28O5QGkSv1TERLYO9qK0HILArL4LKMce0fso=' 
WHERE 
  key_id = '83a975ff0db4858b47279999f3a5ea0cd8eebc6f42840b93d0dbae493a78d68d' 
  AND (
    token = 'f2ZLnCa28O5QGkSv1TERLYO9qK0HILArL4LKMce0fso=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )