UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WPNxMOoXQCqGkNUCIrIiqmZmZyEE/uz2FmmG7pwwick=' 
WHERE 
  key_id = '51a3b0b9a5ced3098434c869f8a115c5798d4cce39f1b8d4314ccd3aec541cf7' 
  AND (
    token = 'WPNxMOoXQCqGkNUCIrIiqmZmZyEE/uz2FmmG7pwwick=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )