UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nHcgLjnOdjgCvi4ed90Cdezz+qrAGQGYxWCJTnNBLXc=' 
WHERE 
  key_id = '51d5e822b7ab7e6e76d5852e81a94c8766a63cdfcdb6c59eeac90cb125ff85f9' 
  AND (
    token = 'nHcgLjnOdjgCvi4ed90Cdezz+qrAGQGYxWCJTnNBLXc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )