UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IrLklaaV1NC0skeXUoq5cQ/mwdI4W6954aU64rXLHU0=' 
WHERE 
  key_id = 'be525e4366725796a20d9abf0dae330dd8ff61a6bf93841e345da1d414f4c1df' 
  AND (
    token = 'IrLklaaV1NC0skeXUoq5cQ/mwdI4W6954aU64rXLHU0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )