UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xh3TTE6ZYfngxfHkkQEgTStHSGnn7uxbJWQS2+x9tlA=' 
WHERE 
  key_id = 'eae899b94cf01c7ead69a516b7302adfab6ce02fda148fb317fcf9ab9c7f1314' 
  AND (
    token = 'Xh3TTE6ZYfngxfHkkQEgTStHSGnn7uxbJWQS2+x9tlA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )