UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MGFdmGhhbvozgNTNMrlI4JRyPRKfiqLFxcFWceBCAI4=' 
WHERE 
  key_id = 'de28b649f810dc90c90591363617632118d8285038e73d7bbd9b9be57b5ce776' 
  AND (
    token = 'MGFdmGhhbvozgNTNMrlI4JRyPRKfiqLFxcFWceBCAI4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )