UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r6xW28Eca4LYBjH4CwCXez3datUa3i3Of2CERi3U/tU=' 
WHERE 
  key_id = 'd6e2cb2b087bbc96a1948ca9ef95e9f3b206a81756354645b2c87972600047f8' 
  AND (
    token = 'r6xW28Eca4LYBjH4CwCXez3datUa3i3Of2CERi3U/tU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )