UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NYvrqNfxgHvuIQZy64YVfvRs5SdaIrJWdTaVmmNGJkk=' 
WHERE 
  key_id = '2604d350bce3fbfa3bdf79adf7c2745c127f693d45b74798b4fe0946e1c6c0eb' 
  AND (
    token = 'NYvrqNfxgHvuIQZy64YVfvRs5SdaIrJWdTaVmmNGJkk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )