UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '91Cqy9AFf0SikcMy2JHTYzQ0UjUyfFuxOPF0NrMrTzc=' 
WHERE 
  key_id = 'd4c743ed8eeb5911bbce58e4033d48d278931eacc84c5b75efe3e6f2790b4536' 
  AND (
    token = '91Cqy9AFf0SikcMy2JHTYzQ0UjUyfFuxOPF0NrMrTzc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )