UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QUsW5eOWfDOKS7iZu7U0/PsykT3rqdfFPC8R9YqqgtM=' 
WHERE 
  key_id = '7e8fe83a11cc5da255096d76983a779fa2517aadcdfe1d22e2587607b65d38f0' 
  AND (
    token = 'QUsW5eOWfDOKS7iZu7U0/PsykT3rqdfFPC8R9YqqgtM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )