UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a2jO+GqWKheee4qYP+iI1VYEIALx4+5o3ryvNfkdIPE=' 
WHERE 
  key_id = 'e0452f972dfe1009ded3e3a638deebe87006fbcd95839a34688a1fffee4f0422' 
  AND (
    token = 'a2jO+GqWKheee4qYP+iI1VYEIALx4+5o3ryvNfkdIPE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )