UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MKs960T5ZgXYqq4DfSBDYwAvKu/sMc2c1Wu7Vruzmuo=' 
WHERE 
  key_id = '8408fca79315bcdf3ef5948ba67f2442619d975dee4264eb298a50bee6a74cd9' 
  AND (
    token = 'MKs960T5ZgXYqq4DfSBDYwAvKu/sMc2c1Wu7Vruzmuo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )