UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a/TQ8PR2XZbIClFhdHPEBUGkSAmsPztUUVH8SGjK+2k=' 
WHERE 
  key_id = '3a5b838559c85e632ee3fb9d006f516eec75549cf147d77d76739d74c9d979f4' 
  AND (
    token = 'a/TQ8PR2XZbIClFhdHPEBUGkSAmsPztUUVH8SGjK+2k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )