UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MY43Z5WUeUMYYC4SjcFE2MG7QaTQC6f9BIPI1AdLYXY=' 
WHERE 
  key_id = '6d2c873db8584a097c8d63808faf6de5940cf6a8e60add194ac8d3fffd61f41d' 
  AND (
    token = 'MY43Z5WUeUMYYC4SjcFE2MG7QaTQC6f9BIPI1AdLYXY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )