UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZEAXlDktU9r4f0zwKwi1UvnfjhxwfbKlITjvowvwV34=' 
WHERE 
  key_id = '31bbfeb97fd2644dbf0cb379416852008915376dcadba276a2d4526d15a010df' 
  AND (
    token = 'ZEAXlDktU9r4f0zwKwi1UvnfjhxwfbKlITjvowvwV34=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )