UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/bKS/cj6ZsPoWKaraON12XhXHWb4PhfN6SgJN/LnYmQ=' 
WHERE 
  key_id = '3b6816d999d69853dfa0bdf0b48515f6e8aaf47039556f3313991f8fcbff779d' 
  AND (
    token = '/bKS/cj6ZsPoWKaraON12XhXHWb4PhfN6SgJN/LnYmQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )