UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'O8WkgMyxZcG13/25FpKdxT9QcjrRsZ59s7zaC8BT8RE=' 
WHERE 
  key_id = '21e4480deaf4818f72c5e933f2e8e698d4efd34b91162e16507cfde6c56ffc79' 
  AND (
    token = 'O8WkgMyxZcG13/25FpKdxT9QcjrRsZ59s7zaC8BT8RE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )