UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JBxy9jkQJm1Zu73XvIqbMHxRHKjoISpaNuN7xbUppic=' 
WHERE 
  key_id = '4935b878de10bf7d329b636176ee062c8e9563169b3a93d42d693818b2d80424' 
  AND (
    token = 'JBxy9jkQJm1Zu73XvIqbMHxRHKjoISpaNuN7xbUppic=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )