UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VcdJZDgHRQB4wzarUsaeN6wJjGAF5D+3QTkr2uGVPuY=' 
WHERE 
  key_id = '29d9fda2952c81dccc2815b1b1f2a7560fb4ecf48e1dd393683238071fd7edae' 
  AND (
    token = 'VcdJZDgHRQB4wzarUsaeN6wJjGAF5D+3QTkr2uGVPuY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )