UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7J9wAxHIc7py9B4cXnOEKoXpEnNUQrskdDCjbzDQwNo=' 
WHERE 
  key_id = '51e9fcb93d1208a71dd091de5d659bda2ae02910c4c2576afac95fec32dee53e' 
  AND (
    token = '7J9wAxHIc7py9B4cXnOEKoXpEnNUQrskdDCjbzDQwNo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )