UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PPWbMht/aMqB4NxFtIch5A0JBmco1l/2VyH1RJuR4ps=' 
WHERE 
  key_id = '6303110456e7019207400869e7aa403486968ac35eb7961a1c9422273f3716cc' 
  AND (
    token = 'PPWbMht/aMqB4NxFtIch5A0JBmco1l/2VyH1RJuR4ps=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )