UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NTdxdgoCJ7xM5JwMeceS3cFDUR2cyhjydCgN6joMKqE=' 
WHERE 
  key_id = '55b92088d710da5a286b20348021de372be84a35313e401f35a63a03e1ac403d' 
  AND (
    token = 'NTdxdgoCJ7xM5JwMeceS3cFDUR2cyhjydCgN6joMKqE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )