UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zlfrYOzsPolrlAeq3fiJvtwTqWFPFMs423akUYumZo0=' 
WHERE 
  key_id = 'e13aca8a1f2b96c64f83ec38a083899a51897c975dfd3f769f910e06a865369a' 
  AND (
    token = 'zlfrYOzsPolrlAeq3fiJvtwTqWFPFMs423akUYumZo0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )