UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g4NKukOr4wiyA4r5ECya2m5hFuHjItqA2ns5FmhFxjo=' 
WHERE 
  key_id = '6adc3824befaf5af6c0a2ab59e4bbab91b2e750e03427229b3946a862350098a' 
  AND (
    token = 'g4NKukOr4wiyA4r5ECya2m5hFuHjItqA2ns5FmhFxjo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )