UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5JSyNffsf6kbhbpAo+X/x3aPCcaSAwRKxrtNxUcLZ2c=' 
WHERE 
  key_id = 'e648b137582e80b1d356db90e7ca8478a0108b4cacfe65e85558d97b9421c447' 
  AND (
    token = '5JSyNffsf6kbhbpAo+X/x3aPCcaSAwRKxrtNxUcLZ2c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )