UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fwDbV6liTm9dRkRgOORvmcdEySotxqKCpd3nUeBS1EE=' 
WHERE 
  key_id = 'a6b339d0fecd247738e1f3df2d25088fd8b111fdd8766d35c898794c210a088b' 
  AND (
    token = 'fwDbV6liTm9dRkRgOORvmcdEySotxqKCpd3nUeBS1EE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )