UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mWK/UL1hAL+K71hRCjMWjf/by9u/ckfPftcMB1dPQHg=' 
WHERE 
  key_id = '68903238a03e993d500b16e9bb429a6bc382f2426c5a1a7d007544d923b93f81' 
  AND (
    token = 'mWK/UL1hAL+K71hRCjMWjf/by9u/ckfPftcMB1dPQHg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )