UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '31bO3raL9l4LIzVjmPFlnsqaeOhqIId7D1Yk7S7lqNo=' 
WHERE 
  key_id = 'e56246744ba8b370d22e723ae553beeb2abb837fbb036d10778e63c19f99a04e' 
  AND (
    token = '31bO3raL9l4LIzVjmPFlnsqaeOhqIId7D1Yk7S7lqNo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )