UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'o/JOU+4aIcbLG3bFfvc8RACToddVTWcvI9g+2qn8Qu4=' 
WHERE 
  key_id = 'c4523c2d9d071dc8341a288a200d7345f7026af4087af70d9910c1025e764f08' 
  AND (
    token = 'o/JOU+4aIcbLG3bFfvc8RACToddVTWcvI9g+2qn8Qu4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )