UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'CdbaLu6wZAlMHIshHRUdJpeJYZ8Hc8AL9heSXY5gMZY=' 
WHERE 
  key_id = '5a7866d1f48daae727637fbff93f92448b7668a65da0dcf74126dd83f0b1ec92' 
  AND (
    token = 'CdbaLu6wZAlMHIshHRUdJpeJYZ8Hc8AL9heSXY5gMZY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )