UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yAEZPpIJ6RZgLpj4sPcQYLFvKdffKCUI2LfcgqMmq60=' 
WHERE 
  key_id = '6df91b9a87345589f941255f0ff4d012aab2c7b407af0831223fbf029c21368c' 
  AND (
    token = 'yAEZPpIJ6RZgLpj4sPcQYLFvKdffKCUI2LfcgqMmq60=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )