UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gn8Kmz7Bg7yRivVowGlmu5EGdWQRxXpJFDFzl+1j9Ok=' 
WHERE 
  key_id = '21b5349c581c8f8b4382277d741ddd93c58855cac48692bce0be894fd3771c91' 
  AND (
    token = 'Gn8Kmz7Bg7yRivVowGlmu5EGdWQRxXpJFDFzl+1j9Ok=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )