UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GfKpEtxDAHpK1l0y2u1KXbZzyVxpniu2CD4QKjiG6x0=' 
WHERE 
  key_id = '4ecbcc0374084f938935b1acd21429ef6313b04e683b210f85efcdb9a3fa5afc' 
  AND (
    token = 'GfKpEtxDAHpK1l0y2u1KXbZzyVxpniu2CD4QKjiG6x0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )