UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KrKm0WNw8+68jkvexDCyKZfg9xTXFsj8h38ev/tC3uM=' 
WHERE 
  key_id = '0c649f06e94e8cfee5236453c16988c44acc5bb9aa066a44c645a088e7d40521' 
  AND (
    token = 'KrKm0WNw8+68jkvexDCyKZfg9xTXFsj8h38ev/tC3uM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )