UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lZ11wkfxI1TJ24F16S62D6vOALYT3UBZPgDT8mqsoI0=' 
WHERE 
  key_id = 'c5636df987e1ff169bae95a0da83ac530b48bcd3d37ef83156095c62fcd93a29' 
  AND (
    token = 'lZ11wkfxI1TJ24F16S62D6vOALYT3UBZPgDT8mqsoI0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )