UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G4pLaJP2vmffhAoobPRC0N6HzQaKEoIBslpIBNsxyFo=' 
WHERE 
  key_id = 'c5723d53db0945133b666bbf302067f953e808864c7222b2dd15a7475c5daafa' 
  AND (
    token = 'G4pLaJP2vmffhAoobPRC0N6HzQaKEoIBslpIBNsxyFo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )