UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G6xslgL7g3n92V40ttWBHoRbYHGf+Rz2dEEa/88DB5s=' 
WHERE 
  key_id = '494928f28b7c1b021d1880fb1ad5aea74dd0c993173e88c5aeff3450ed8e3638' 
  AND (
    token = 'G6xslgL7g3n92V40ttWBHoRbYHGf+Rz2dEEa/88DB5s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )