UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fPqx0ErwWOjrniixXer7+u5IgdgViNecEa26dstxZCg=' 
WHERE 
  key_id = 'a9aa3bf45b0a1a78d930e4d9e19c9e21acc87e59a2781730ea63f92f37571795' 
  AND (
    token = 'fPqx0ErwWOjrniixXer7+u5IgdgViNecEa26dstxZCg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )