UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dWKSDqFWDlsDUDx7ne87V9FmfCj5GcYDYMmm9MoL8iM=' 
WHERE 
  key_id = '6c755b0bc8181e09ffc8a2a53f7d16ef45e254055a6bff6d174d896a5349ce47' 
  AND (
    token = 'dWKSDqFWDlsDUDx7ne87V9FmfCj5GcYDYMmm9MoL8iM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )