UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zOtU3jkys4dwj0iWdYoMdm6gHm9PUsggQTKGkrxAb3g=' 
WHERE 
  key_id = '037852b21bfdf65442f8439cc63409428c50b6eefad3fef74ecab940f0834a0f' 
  AND (
    token = 'zOtU3jkys4dwj0iWdYoMdm6gHm9PUsggQTKGkrxAb3g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )