UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7Q4H9F1vD1tBBlcRPYY3i5NPxP5zXX+DIOGDTHdOXFo=' 
WHERE 
  key_id = 'effed9488cf69b41ecf9406f45a52be1bf5d5a1171d3d4266399361b62223339' 
  AND (
    token = '7Q4H9F1vD1tBBlcRPYY3i5NPxP5zXX+DIOGDTHdOXFo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )