UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lib5Yn6w+CBUh14o3rxb2RFaCVjp72xKrwLxbPBP7xg=' 
WHERE 
  key_id = 'c7fe2bee06dcc78d022429ff32202b1424dedd0834c79dce9a90884e3f4208cf' 
  AND (
    token = 'Lib5Yn6w+CBUh14o3rxb2RFaCVjp72xKrwLxbPBP7xg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )