UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kcDC+KyjiFv5jTluZijiprgzQjtdavlmsGmEbCDtTlY=' 
WHERE 
  key_id = 'a7a0e484647850174a574b0b99326e447ace1c1f099137689d810a7307583dc4' 
  AND (
    token = 'kcDC+KyjiFv5jTluZijiprgzQjtdavlmsGmEbCDtTlY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )