UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AF51ItFzOOiH21ZPV7PGN5wPjhOnYYr2NiWtBrFNNO0=' 
WHERE 
  key_id = '30d5609c723650e2e1c6d109440fc5443edea423518bf2732d5a868ebbae0600' 
  AND (
    token = 'AF51ItFzOOiH21ZPV7PGN5wPjhOnYYr2NiWtBrFNNO0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )