UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RZ3SkaZkPgHzFYzIcRSNgN9s1/18q2a79X7+Xj0Ve64=' 
WHERE 
  key_id = '3819903a6b98a15848ec79ffc12299b0be8433c2befd7a2a9e15188c621418c7' 
  AND (
    token = 'RZ3SkaZkPgHzFYzIcRSNgN9s1/18q2a79X7+Xj0Ve64=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )