UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S1btz9JI6bIjsklfLfZc512aeQa+ZxFaXyX2PFQX29E=' 
WHERE 
  key_id = '05173dde30da91b89a295a3e38e12a2f78e8ab32b4d7eadc5847a26764ed33a4' 
  AND (
    token = 'S1btz9JI6bIjsklfLfZc512aeQa+ZxFaXyX2PFQX29E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00028