UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sTt+p56Iu8BB/711BwTTugT5wh5qY70Lry5G+z8J7v4=' 
WHERE 
  key_id = '51c2b9d32c7e3f1d4026dc2f781313944629864d7c8699278dd8a3640a3d2044' 
  AND (
    token = 'sTt+p56Iu8BB/711BwTTugT5wh5qY70Lry5G+z8J7v4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )