UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fjm/E9tvUs/8nQV+ZVuj6fd4SjbFe2gYL5AHLQEVj+Q=' 
WHERE 
  key_id = '728108683163c5810d685ea3a7a923185b916bfc0966ef02269fec95b5d71b78' 
  AND (
    token = 'fjm/E9tvUs/8nQV+ZVuj6fd4SjbFe2gYL5AHLQEVj+Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )