UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iBv9fWb8B/LpISQiHoik+zr7hk8bYFsy6Qb5K1auj/8=' 
WHERE 
  key_id = '873b255bc0c604e685144bec53e07d6224f8cde82a9e9d254d5bf7fcf43bd8fc' 
  AND (
    token = 'iBv9fWb8B/LpISQiHoik+zr7hk8bYFsy6Qb5K1auj/8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034