UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Wa59mvcm/nZKYmrGUjrzRKi1qG/35S+7+5cfprll/QE=' 
WHERE 
  key_id = '002b0cac0e648ad7e09e97e18146e5a63ee1ca46368d379019ead9d90b0e5838' 
  AND (
    token = 'Wa59mvcm/nZKYmrGUjrzRKi1qG/35S+7+5cfprll/QE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )