UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sZXzvZ1C8CgmsvY4JoechIedqB56otrnUoFD3rVIdOU=' 
WHERE 
  key_id = '7d642feff988d42093b1de5d8937ccadd76733f2ca638b22f10749d62ebb4ad5' 
  AND (
    token = 'sZXzvZ1C8CgmsvY4JoechIedqB56otrnUoFD3rVIdOU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )