UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U4fBfCLJsCSdVSt4jnaivcXq9XzJ8tCDgV1tMZICdrc=' 
WHERE 
  key_id = '36085048ce97cfcf934b4de1ba936e878a1eff42b72442e6bbf24171857fb625' 
  AND (
    token = 'U4fBfCLJsCSdVSt4jnaivcXq9XzJ8tCDgV1tMZICdrc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )