UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zt9OwMVHq/MMIkvUOMDyJI/aBbccphwWnTJ7zlt7wec=' 
WHERE 
  key_id = '51a0881f4df9c588c9e0fa13b021069ca4cc23a5e5a66e02c8b20ed0c8aaeba8' 
  AND (
    token = 'Zt9OwMVHq/MMIkvUOMDyJI/aBbccphwWnTJ7zlt7wec=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )