UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z+BEphCbd34GM6IuMpAAaEpsZijRm2cdTEHax+f8Agw=' 
WHERE 
  key_id = '393b6de11ac494b18ff9fc91d4fcdc9191a0fd560581317a4d54d24d6adb0559' 
  AND (
    token = 'Z+BEphCbd34GM6IuMpAAaEpsZijRm2cdTEHax+f8Agw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )