UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cS4ZK6wCRCQpt5CRkdOgp6At49cy70ksQzQe8UTGz2A=' 
WHERE 
  key_id = '6d40ef3cc7dc74258c2c126f5d6d81e706e978e919ccb11b46cfc770cf32de07' 
  AND (
    token = 'cS4ZK6wCRCQpt5CRkdOgp6At49cy70ksQzQe8UTGz2A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )