UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RCyMQwO476EKfSdH9/uewqQ/8Lp+tOo19uNf5pXVBnI=' 
WHERE 
  key_id = '542560cda8fbeaf856727707207620e2540edda2dd85c99c1dc360c42cba81b4' 
  AND (
    token = 'RCyMQwO476EKfSdH9/uewqQ/8Lp+tOo19uNf5pXVBnI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )