UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BF9/KNr0ThehBxkTGunbCd4VxvYeNYN7yeDmvvWu9Pk=' 
WHERE 
  key_id = 'c6c354f53591adde99f6e19c4871084e4ea44de0fba87a2dfb37c94980af3610' 
  AND (
    token = 'BF9/KNr0ThehBxkTGunbCd4VxvYeNYN7yeDmvvWu9Pk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )