UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a6A4ReCLuRJlIam7oMMtu1U13BHRHbK8UMQBONv9FyA=' 
WHERE 
  key_id = '2e40113a67644c5f0f0e1af729c1a28079d833d604c9ee59664712467d81b2d2' 
  AND (
    token = 'a6A4ReCLuRJlIam7oMMtu1U13BHRHbK8UMQBONv9FyA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )