UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MYgtePIJ7K/O7iLp01KUXDiCiPijsFih1fhtNpfqBr0=' 
WHERE 
  key_id = '81d67ac5e7bcc9d63e719770305f769d14d626c6611d5e6aa82ea7660a3e429f' 
  AND (
    token = 'MYgtePIJ7K/O7iLp01KUXDiCiPijsFih1fhtNpfqBr0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )