UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QU7NMyPx9GmlDg04RLgcfq+zqWFNvo9PY8q9WAVgOP0=' 
WHERE 
  key_id = '19919ae9cc36b70c864edce5d8b28831cfde2a9ec8ff98642859add5b690f6df' 
  AND (
    token = 'QU7NMyPx9GmlDg04RLgcfq+zqWFNvo9PY8q9WAVgOP0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )