UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WEX4ckjPSzPhUEPNN+0rMsGCl8veE5Iu3utqlgfVWOQ=' 
WHERE 
  key_id = 'c5537cec36cb78762fe8383e1a1dcf0e7ada165a6d4819eef864963588f610ed' 
  AND (
    token = 'WEX4ckjPSzPhUEPNN+0rMsGCl8veE5Iu3utqlgfVWOQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )