UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Qd8EojNTC3uIVGQAH1UBbTxrFjCXXeEs/Ge74vawYvc=' 
WHERE 
  key_id = '27a8c3bff5f6677d055c91480b8c3ca04ad523c2a610f99a5e891741b4f3afa8' 
  AND (
    token = 'Qd8EojNTC3uIVGQAH1UBbTxrFjCXXeEs/Ge74vawYvc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )