UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SKsnHsbFOE77wvJ9VtIc6zAEIaFffXlLnvNu/0I3aqQ=' 
WHERE 
  key_id = 'd159f50a111a7e535f9473d3c569c67f1deba1a075603523bf105ca825a2f515' 
  AND (
    token = 'SKsnHsbFOE77wvJ9VtIc6zAEIaFffXlLnvNu/0I3aqQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )