UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6yd6/iSgxNxjTpCH2bZrL5KZDooO2j4xm8HCBWKObMI=' 
WHERE 
  key_id = '849aad5018df027bc07d2db75016f83d7f74c0be5121f86cd9a3546b29dd15cb' 
  AND (
    token = '6yd6/iSgxNxjTpCH2bZrL5KZDooO2j4xm8HCBWKObMI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )