UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'srKco70Wuj9bJuUKTf1POU0YbrtHYKJsz0Yob71Ht1c=' 
WHERE 
  key_id = '7d68af4b8e328b6998078552421b69bcc5037b952747bbf5d7402568849b600c' 
  AND (
    token = 'srKco70Wuj9bJuUKTf1POU0YbrtHYKJsz0Yob71Ht1c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )