UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g5hlr+M6CKOdDmMU2WQnjHm0Av9TzAX3J8Jx5YZuosU=' 
WHERE 
  key_id = '189f750966a8a896cad80d73dca55d7d8864411571d600c072a0192b6f586660' 
  AND (
    token = 'g5hlr+M6CKOdDmMU2WQnjHm0Av9TzAX3J8Jx5YZuosU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )