UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U6CJz3gxfdKidnMjqDKZiut2jGgEq2LD4qKx96kh3gg=' 
WHERE 
  key_id = '4dff576ac07d92869e521a9e912819e4ef041233286dd5fe2bf56974c4fc3042' 
  AND (
    token = 'U6CJz3gxfdKidnMjqDKZiut2jGgEq2LD4qKx96kh3gg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )