UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QxXDCF9jZnqqjz8y9xXGLj0PEaqmyT9hwK037yrCurg=' 
WHERE 
  key_id = '8751bb89a8b57feca31887f01ecd3f908c29b7eeb7c4ce9bff43581d46615363' 
  AND (
    token = 'QxXDCF9jZnqqjz8y9xXGLj0PEaqmyT9hwK037yrCurg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )