UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OBfY1CePT5uCoQMuzdlbk+MYoO971jDgEMPIN1Ooj2Q=' 
WHERE 
  key_id = '0b9e2121d1e4d76e7e97b11a21013298ffefbb37a7562cb8bbbe603a9ef52c27' 
  AND (
    token = 'OBfY1CePT5uCoQMuzdlbk+MYoO971jDgEMPIN1Ooj2Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )