UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PkPkrFEtVQXNxE33I5IXrGAtgbqdF8KhIIoEZeqS8HA=' 
WHERE 
  key_id = '208286e1188486d54d9395f5c427dfbac8ac11b10e08c225782a3ae508a14616' 
  AND (
    token = 'PkPkrFEtVQXNxE33I5IXrGAtgbqdF8KhIIoEZeqS8HA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )