UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RLEJQMIFLoJsOezfPFvbKSOR9YT42kiyEtAIDEj1Gfs=' 
WHERE 
  key_id = '85436ba1b64a9ff473c212fca388a0c8c9dd7b80ba4871c5fb594aac93ecc864' 
  AND (
    token = 'RLEJQMIFLoJsOezfPFvbKSOR9YT42kiyEtAIDEj1Gfs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )