UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kb21MVhH4SbrMBBGUHOmpByynX+oD2qf8IHhcCvGAfU=' 
WHERE 
  key_id = '90cb777fadafbe7a0d5f4b22e77541b72634b09843f019feb048305f12aa0653' 
  AND (
    token = 'Kb21MVhH4SbrMBBGUHOmpByynX+oD2qf8IHhcCvGAfU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )