UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Tz6PTKaqZSTIrrG88xLm9d3c7ef2Lj87XN6xKAgcu1I=' 
WHERE 
  key_id = '2a3c16c4e95b7fb4faf061bb7c1e72f74e65c8835fc9e971e7e4d28734ca8392' 
  AND (
    token = 'Tz6PTKaqZSTIrrG88xLm9d3c7ef2Lj87XN6xKAgcu1I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )