UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M6T6fkp9LqtrQVP1aJnPdc+TncWsuX+CwSBrF3R3uoc=' 
WHERE 
  key_id = '3b99bd4327a45f49dbaf9802f23e4cb46b8db9aac852f810d04dd3c4496db14f' 
  AND (
    token = 'M6T6fkp9LqtrQVP1aJnPdc+TncWsuX+CwSBrF3R3uoc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )