UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tJEJDOe2gZS6APbqFCkMljQou66kedj1ZuiGGhVjAFU=' 
WHERE 
  key_id = '475928039fd4d4edbdc78ca99b614e9dc58df4770d5738c74192e87e778b51c0' 
  AND (
    token = 'tJEJDOe2gZS6APbqFCkMljQou66kedj1ZuiGGhVjAFU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )