UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cq/aBTCrwBzCq3zcl2epUaf2kDETqPSBX69V6kffEFY=' 
WHERE 
  key_id = '8c4e1e37c59073f2acd5769b1f6a2ee5920c963a34ba110c350f148c1dd42e8b' 
  AND (
    token = 'Cq/aBTCrwBzCq3zcl2epUaf2kDETqPSBX69V6kffEFY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )