UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Dk6Wi3C8MfH33LdTb3E+8GtmboaVAxSeTjiSajXuFpg=' 
WHERE 
  key_id = 'a0feadb447c70b944fd7112a2fdb3598a31dae79d24af5919ad472cee5ee89a4' 
  AND (
    token = 'Dk6Wi3C8MfH33LdTb3E+8GtmboaVAxSeTjiSajXuFpg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )