UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YaUja+UTlQZXdDb6Ic9ZI1NwunIhIYeI+yqc9UR8z+c=' 
WHERE 
  key_id = '5814f71b6fdcd5f2a7245bb84ebb264a183b3582aff8348acc9d14a51eb54647' 
  AND (
    token = 'YaUja+UTlQZXdDb6Ic9ZI1NwunIhIYeI+yqc9UR8z+c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )