UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aIRcZVXFSW6VU2yN/CuI/WLcMvbPOv5H+5bk7GzmZHQ=' 
WHERE 
  key_id = 'b4494a94fe877381dc0b4bd739d57bbadc3f5e9afab44a7da285911632da941e' 
  AND (
    token = 'aIRcZVXFSW6VU2yN/CuI/WLcMvbPOv5H+5bk7GzmZHQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )