UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gW5rFhPtU0AH44l4/w4ad3H1f6Nl6+h4vSundjfLLIw=' 
WHERE 
  key_id = '3e6445ae5d65ed6fa9513506870648f3018e60df996b3a02564d44b28f99c3d7' 
  AND (
    token = 'gW5rFhPtU0AH44l4/w4ad3H1f6Nl6+h4vSundjfLLIw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )