UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lefn0oTzT2tROGw2SWU2YNU9IwepomDlgAR81NtUuqY=' 
WHERE 
  key_id = '4974cc89ed180908e1008e20be3c99a1d0622cb5bf63efb14944d90e5d46990d' 
  AND (
    token = 'Lefn0oTzT2tROGw2SWU2YNU9IwepomDlgAR81NtUuqY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )