UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u/6VZ6blIASb4F10iNucZjlnH890HpEOayOXhPQ1XwQ=' 
WHERE 
  key_id = 'd74f16965101cbe7ed624580e33018ca6dedafb577db15aa607903e4db85deda' 
  AND (
    token = 'u/6VZ6blIASb4F10iNucZjlnH890HpEOayOXhPQ1XwQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )