UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'O+1lhQ6o+cjFEwlfi5tQ/8AJAo4Gvbv5x2+oyNPoAcI=' 
WHERE 
  key_id = '4c2a712fe426d1725464fac652b6a72c3a6982f298d84bbf681f2d351e1a0ea6' 
  AND (
    token = 'O+1lhQ6o+cjFEwlfi5tQ/8AJAo4Gvbv5x2+oyNPoAcI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )