UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n4BZhC31eT61YsZFNOVaOSYNDNJQG8zlfTI8xj0Sh4c=' 
WHERE 
  key_id = '48d8d0d64205b1c351b1a03e913df367ee74f0e274c6cccea9de03d2af545f84' 
  AND (
    token = 'n4BZhC31eT61YsZFNOVaOSYNDNJQG8zlfTI8xj0Sh4c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )