UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MxO5kFNO1z2uEA54jq1wBcuOfvDhrhlXSv7llgsO/T8=' 
WHERE 
  key_id = '837b5ff4fb109a9df2809bdef36797583693f30336ac8100c463fa8ed860c8ad' 
  AND (
    token = 'MxO5kFNO1z2uEA54jq1wBcuOfvDhrhlXSv7llgsO/T8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )