UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U4ejv6UbVUT5B5IGtR2oHWBGUauVTvUAkZQdXkrVnSI=' 
WHERE 
  key_id = '1bd877a4834003f8b28096e14344120deb3a44a0358b1c292db01f90df2bf826' 
  AND (
    token = 'U4ejv6UbVUT5B5IGtR2oHWBGUauVTvUAkZQdXkrVnSI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )