UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G26WgrV0jLU0UqLyjQx95k/03byoCVs9Kbpt39QrJSc=' 
WHERE 
  key_id = '4b51b87cd58ab95911a91224ca9541b4aae95744fd8461f7ded8746c175cd4ad' 
  AND (
    token = 'G26WgrV0jLU0UqLyjQx95k/03byoCVs9Kbpt39QrJSc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )