UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CLsGUmxKDpOushcr5+rCuz/eCr/Y/LsMp2RnOAK/K5A=' 
WHERE 
  key_id = 'ea8e7a8fa89c10b927f3c03c79869d90cce5d35c220b0a4747b5e5928d7b6c56' 
  AND (
    token = 'CLsGUmxKDpOushcr5+rCuz/eCr/Y/LsMp2RnOAK/K5A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )