UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ePZxAOsPo9Qpg0Ks5b6te14sCbffW5Kl9kWcywkrwTA=' 
WHERE 
  key_id = '38d438bf6a8076c354f075034ac6eb821260570f1de4e4274ba0b770878801b7' 
  AND (
    token = 'ePZxAOsPo9Qpg0Ks5b6te14sCbffW5Kl9kWcywkrwTA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )