UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3rejdga0udX2QPqp0zI/uqIGcCX5nhGijI1+vA2O9CQ=' 
WHERE 
  key_id = '668c0dd92713f56aaf4e2aace5b5a445e71a82d7914d93da186568bdcea32863' 
  AND (
    token = '3rejdga0udX2QPqp0zI/uqIGcCX5nhGijI1+vA2O9CQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )