UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UKhQbi5xEz1mrttbRUGPr48fBmZ3lnAtf8xBMZLj4oQ=' 
WHERE 
  key_id = '394793085e5dc4a09b7d86a3ed0e8f886b400c5d67e3e4bdccc5f981dbdd21ae' 
  AND (
    token = 'UKhQbi5xEz1mrttbRUGPr48fBmZ3lnAtf8xBMZLj4oQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )