UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iqCGn9DXBAQjELhHjLRjUt32lGCL6OT5HkgmHNIoj08=' 
WHERE 
  key_id = '3a57c0bf5db6d9d0321373848b19c64c52b2f261bee63326da27e5e410acb957' 
  AND (
    token = 'iqCGn9DXBAQjELhHjLRjUt32lGCL6OT5HkgmHNIoj08=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )