UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xiyVDgewcWvNvgY29s+F4UrOjx8eLpqZjjGLCV72Euk=' 
WHERE 
  key_id = '8cc1cb784a10a536b31f7b1b8d6fae00947363a77f4f9d0556185e432f51a179' 
  AND (
    token = 'xiyVDgewcWvNvgY29s+F4UrOjx8eLpqZjjGLCV72Euk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )