UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DCs11EeGHv/lPM9AygEXRBeUh7BnfbMPrDgUUB0PMw8=' 
WHERE 
  key_id = '2927b28456c0f18040d32e4fcaa40fbed898e940918db6950727c11e250d29ca' 
  AND (
    token = 'DCs11EeGHv/lPM9AygEXRBeUh7BnfbMPrDgUUB0PMw8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )