UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MBiSz17TgQl3exI1VJFwk8I4mF4fXIPNwhfZpvYXHUE=' 
WHERE 
  key_id = '74e68c930279f74c2d659b587f6019435b30f8f08c455ab5ceadd6e9337c0036' 
  AND (
    token = 'MBiSz17TgQl3exI1VJFwk8I4mF4fXIPNwhfZpvYXHUE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )