UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z8c+5SItpGoclelYjt9Wq8JlfxEo8jkqAblZu0gLn1s=' 
WHERE 
  key_id = 'dafc7202017f019a693815949f23f6d02b61df0db436288f72ea5d460aeda548' 
  AND (
    token = 'Z8c+5SItpGoclelYjt9Wq8JlfxEo8jkqAblZu0gLn1s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )