UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ao9VjA6p8t9dD6cMPt6WG/7EidzjwNxnrDHHp1RUAvs=' 
WHERE 
  key_id = '78386acc6ea9d69e844de7cf913d340b96e3fbe00ec757725e6d1a638b5c0d64' 
  AND (
    token = 'Ao9VjA6p8t9dD6cMPt6WG/7EidzjwNxnrDHHp1RUAvs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )