UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wx8XW7XlLV6nunUds6rBhdupv47nl8oWsFsnZPiwaPw=' 
WHERE 
  key_id = '9148803580b8f29ff410bf102c61264e6058a07e521b095031ab49edae6b2113' 
  AND (
    token = 'wx8XW7XlLV6nunUds6rBhdupv47nl8oWsFsnZPiwaPw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )