UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MVbEQlfGWGwKTjl9zAHAWoeNE2UdqXEdkJEh1/pxDfQ=' 
WHERE 
  key_id = '4d8d1f94286a9c313aaa077b5df4d2a797a9d1bd42498a870378980c26e30bac' 
  AND (
    token = 'MVbEQlfGWGwKTjl9zAHAWoeNE2UdqXEdkJEh1/pxDfQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )