UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eb11RSjJLQs3PGvTJpIJeiB/0sjizLmh2i5iMowFGiw=' 
WHERE 
  key_id = '2515e745fa164dfe46d425a6b0708bf0cb2e8c004efec43da6a2a7805f0e8ce9' 
  AND (
    token = 'eb11RSjJLQs3PGvTJpIJeiB/0sjizLmh2i5iMowFGiw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )