UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nlbk5+seP2Fub3nc/fzd17iCXNpSOgaA0zKL2CEs8WQ=' 
WHERE 
  key_id = '2ac3f47c6e69be944546168029e5440a134f10ace5d4ac3cd5e5986095af6d96' 
  AND (
    token = 'Nlbk5+seP2Fub3nc/fzd17iCXNpSOgaA0zKL2CEs8WQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )