UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zGT/mHgBsv6TAh+rzKa/yX5mmjY3+gHt2gKmvFaT4ME=' 
WHERE 
  key_id = 'c7e6173e9c1e85a5a0751eaf28bc7fb01a1e4a8cc18b3fb4600185fa2ac1e858' 
  AND (
    token = 'zGT/mHgBsv6TAh+rzKa/yX5mmjY3+gHt2gKmvFaT4ME=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )