UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4N+LESiDIXqIJWe9DmPD6aBIVHa/2dh/8dzG8hPiSzk=' 
WHERE 
  key_id = 'e327a59ba9ae6a719af1a6db106ebd284597d4402365b1406eb4196277f08956' 
  AND (
    token = '4N+LESiDIXqIJWe9DmPD6aBIVHa/2dh/8dzG8hPiSzk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )