UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZnkDHjLU3Qcfs5+B5TtRFn5vEm7Ikt9DnqB6Z2cKlzY=' 
WHERE 
  key_id = '36ad3753c1c24da766c0f183a007a93c1d03afcf82327115ce5ef331a2420629' 
  AND (
    token = 'ZnkDHjLU3Qcfs5+B5TtRFn5vEm7Ikt9DnqB6Z2cKlzY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )