UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fDGsq5G/48rwrN8jmrnCGEB3S8eSkj/vQoaR9+lRegk=' 
WHERE 
  key_id = '6b2f21b857631fe770b61efaf5e98b330a54bb145a661e819ddb61717a2affe8' 
  AND (
    token = 'fDGsq5G/48rwrN8jmrnCGEB3S8eSkj/vQoaR9+lRegk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )