UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K2KUvmQ0xEvzfi3B6+x+vp3uXlo3vhWDRMGvujHZslM=' 
WHERE 
  key_id = 'b5fdaf1c6cc75ee124019a2a78e639d7dcbab43de85fb8a808d265f31d4ed505' 
  AND (
    token = 'K2KUvmQ0xEvzfi3B6+x+vp3uXlo3vhWDRMGvujHZslM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )