UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TYnDjVxa58LAFiiuGke4ZPxisj76oidsyJXT6pA4sH0=' 
WHERE 
  key_id = '51307105f5e1ff0f8990cb6efff0d8ecdbaa90661ecc968ed823742e5b3197e9' 
  AND (
    token = 'TYnDjVxa58LAFiiuGke4ZPxisj76oidsyJXT6pA4sH0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )