UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a6PGzRH/JfV5+Rqqlk71R03uta6AWolrzlkUMJW0Br4=' 
WHERE 
  key_id = '95a1b67aa22bef7e43c9c1abefbc3fcbda6cbc9a4762f7b076affb2fd614c390' 
  AND (
    token = 'a6PGzRH/JfV5+Rqqlk71R03uta6AWolrzlkUMJW0Br4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )