UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rC754hdF3RLQAiznK8sJVL4duwbbBt3WdbdrXPsZpto=' 
WHERE 
  key_id = '7a91252a3000891994b38b06ed997eb6b814c7369723cdbbb766d177de420f84' 
  AND (
    token = 'rC754hdF3RLQAiznK8sJVL4duwbbBt3WdbdrXPsZpto=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )