UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cvSelgltJk+tIlRDamKmeykBeEqg+uc8HJteo21WAyk=' 
WHERE 
  key_id = '6a52802d3c45e7f642fee63bae02b337ed0a0d0f72e20154d1046c5e728be46b' 
  AND (
    token = 'cvSelgltJk+tIlRDamKmeykBeEqg+uc8HJteo21WAyk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )