UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uX30hjGa/plbBvsMrzOATf8d9mYRZN434dtIWa1D7G8=' 
WHERE 
  key_id = '2c39bac6a76fdb642190a7a431811e9fc822c6619d5b048b15326d77553663d4' 
  AND (
    token = 'uX30hjGa/plbBvsMrzOATf8d9mYRZN434dtIWa1D7G8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )