UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fQn52M6LNTQsfjcWARBihfNUdSrymPSnN8RwduMgec4=' 
WHERE 
  key_id = 'ac4fe8b37114650d251b4d65561a3fac9a25201224760136d796e89341c73b48' 
  AND (
    token = 'fQn52M6LNTQsfjcWARBihfNUdSrymPSnN8RwduMgec4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )