UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ufkukfr4vDuhe1EhyIu4vqnZx3c8wCmxBkknk4HCpVM=' 
WHERE 
  key_id = '681f38ead91175762d1a9b43845090684d69bf0086317bc4d702c2dcb1bda798' 
  AND (
    token = 'Ufkukfr4vDuhe1EhyIu4vqnZx3c8wCmxBkknk4HCpVM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )