UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MflW6/xOOoGREft7KsNZeHYlRc+Cybm3x9+qP7eV0xs=' 
WHERE 
  key_id = '682409ceef0dba1c7b42f2deccf75d15df6a4b17f2b0801e61c20aad6e47d109' 
  AND (
    token = 'MflW6/xOOoGREft7KsNZeHYlRc+Cybm3x9+qP7eV0xs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )