UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Th71Em8Mc/D0L5wfnXWkbHxfiw0iMuxXE2EoOAqr8+E=' 
WHERE 
  key_id = '68772f83f6e5134f8b1cf4890bde3bf253c98ab565682448b52f11c093a587f6' 
  AND (
    token = 'Th71Em8Mc/D0L5wfnXWkbHxfiw0iMuxXE2EoOAqr8+E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )