UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PW51YBbHvCt+F3cul/cb3x7WXuPDnO/e48jwxr/Uvfg=' 
WHERE 
  key_id = '19cf13afcabeddb49217920b4fcf1d29bb5dce17b8fd2213b18cc4fe2031cc8f' 
  AND (
    token = 'PW51YBbHvCt+F3cul/cb3x7WXuPDnO/e48jwxr/Uvfg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )