UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LHUtfa5rco9nYKCvXIsPmvWLDppj0mtb2vPsmQerkUA=' 
WHERE 
  key_id = 'a6b1615f80a3c762de2995270845b72f0feafb07c74cbf4ef209287f250d87cf' 
  AND (
    token = 'LHUtfa5rco9nYKCvXIsPmvWLDppj0mtb2vPsmQerkUA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )