UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rn28zMKvN94T8OgydbyuLsNFf42ar3CdfPlMahdsJLY=' 
WHERE 
  key_id = '7a0b4e1b1205c99653e79216ebc04ca9518bae1684f9e31360e81e59640b0da4' 
  AND (
    token = 'rn28zMKvN94T8OgydbyuLsNFf42ar3CdfPlMahdsJLY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )