UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'btm3btU2e4hSWlxWaklb7HB88ZTGZWv4AzUkdSyzuJg=' 
WHERE 
  key_id = '50322792d76cf42fd99cf66b15952138642d6aa00e90704f1a44e4db3dfddc60' 
  AND (
    token = 'btm3btU2e4hSWlxWaklb7HB88ZTGZWv4AzUkdSyzuJg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )