UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '68OMFC32840FMN1xtMsua5CDCu81CNplmFm8ueZMKBY=' 
WHERE 
  key_id = 'eb8046754ecbfe832e9e8aa043a77d18e534963a3b9a6596439f502dca772af7' 
  AND (
    token = '68OMFC32840FMN1xtMsua5CDCu81CNplmFm8ueZMKBY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )