UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lko0w2M66XqMAnlXk2tgV1rI8J0yBQHyo2sXiEvxlNc=' 
WHERE 
  key_id = '51c0f0c4667b383129243d81ec531022841bdacd461335bb5cf723d25346677d' 
  AND (
    token = 'lko0w2M66XqMAnlXk2tgV1rI8J0yBQHyo2sXiEvxlNc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )