UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qz81QoTEt2I+g+hzpS5ZiuhG3Q5P4BKJYhv3AhSumHo=' 
WHERE 
  key_id = '3c31e9bce62770171c8015607b8ae90b2a543e89f021c027f0607b2780805355' 
  AND (
    token = 'qz81QoTEt2I+g+hzpS5ZiuhG3Q5P4BKJYhv3AhSumHo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )