UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+3M+T4IpC3fNoSjJqWP+XYmtjK7SHHYFmu1y5y8DhrI=' 
WHERE 
  key_id = '4a597593f6ffd3f3797e5932e851396746a9522039697220b03fbd1090d0eb87' 
  AND (
    token = '+3M+T4IpC3fNoSjJqWP+XYmtjK7SHHYFmu1y5y8DhrI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )