UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KlhUVljKqtxMnBue303IfLM3bGfB4NqxKPjF4flDTb8=' 
WHERE 
  key_id = 'b42d3be92c8d378de3295ee11fdeabac0ed76fb714d796713a616c2019721d92' 
  AND (
    token = 'KlhUVljKqtxMnBue303IfLM3bGfB4NqxKPjF4flDTb8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )