UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XLVrWsGgBKp/DVWwVOaK7+LamSeQelDLFnyPShsieko=' 
WHERE 
  key_id = '5d547562e51c6a1692084ccd73050a52282e1c7578a1e630da02b1f1b6101b2b' 
  AND (
    token = 'XLVrWsGgBKp/DVWwVOaK7+LamSeQelDLFnyPShsieko=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )