UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '21PgBPJ2xD7sl2z6/RaxFQ+uU6EhN3baRZCFXMTK7BY=' 
WHERE 
  key_id = 'e3ceef9914f5f11f589dbc4c6e977b6a104bab11ce7cd9a9f891771b2251b2a7' 
  AND (
    token = '21PgBPJ2xD7sl2z6/RaxFQ+uU6EhN3baRZCFXMTK7BY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )