UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mb3nejVB+cyAo65tNhNt0DpBsfyjx/+JC3IA0VSPOE0=' 
WHERE 
  key_id = '3ad4e37723a0bfdae517081361293329be00f0fe8f89cf1fb28971c1db029a98' 
  AND (
    token = 'mb3nejVB+cyAo65tNhNt0DpBsfyjx/+JC3IA0VSPOE0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )