UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U5nCP2YUaOnhhE/P1Whyn2HZv1nlnI9EGSZrTaLSnmg=' 
WHERE 
  key_id = '6b8a8e93866ba30a1ea0d1173dc404baecc728d84bb00da63050ea7c19802ca6' 
  AND (
    token = 'U5nCP2YUaOnhhE/P1Whyn2HZv1nlnI9EGSZrTaLSnmg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )