UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Y8MS3MapIHLSaoLfmO01sqvxOCXEcYGZZF5FWEEVM30=' 
WHERE 
  key_id = '39fa1b759ad3378b068693c7eb31824d945e3772b562093f80b8b3b0205f74aa' 
  AND (
    token = 'Y8MS3MapIHLSaoLfmO01sqvxOCXEcYGZZF5FWEEVM30=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )