UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SLHnpWGpWHwS1OL6YGAuXdw0DHSVd/9enoFooKBgzYs=' 
WHERE 
  key_id = '7ef52ce3a2a1888729f0143d314a82762e23234048336a5217c3d34fb3c36bb6' 
  AND (
    token = 'SLHnpWGpWHwS1OL6YGAuXdw0DHSVd/9enoFooKBgzYs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )