UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V2BA2W4OE58aJW3GUqqRPV8mHS04eabluyzVm7y2US0=' 
WHERE 
  key_id = '4937a876f6ab59a8efc62cb094327572d59f3a0607f08eccc3155fa9973c72ab' 
  AND (
    token = 'V2BA2W4OE58aJW3GUqqRPV8mHS04eabluyzVm7y2US0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )