UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GHhm2aTE6NmyeAZ4hq2RAxmuSxttwVbyrnIPUSvKXks=' 
WHERE 
  key_id = 'b1386dc7650cb0e8e5e992697bbb2d494add7ead679b97b20695ba75ff26eee9' 
  AND (
    token = 'GHhm2aTE6NmyeAZ4hq2RAxmuSxttwVbyrnIPUSvKXks=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )