UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+DdfisxxfDv+H2yGMFzb6Oj3vQUHQcAGlNLtCm+KNNQ=' 
WHERE 
  key_id = '5dc0101adfb28e996978b5217095ae4085c8250f69e9fd6303cd40aacc362b21' 
  AND (
    token = '+DdfisxxfDv+H2yGMFzb6Oj3vQUHQcAGlNLtCm+KNNQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )