UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MMtH6zFRbAfCxH8pC1vwMrezj6LVWH/EJEux1y4SHVc=' 
WHERE 
  key_id = '5a2fcf14c4f991c196a70c3ebcf5ac38b8e40ed94c031d4fc65e258195edac5d' 
  AND (
    token = 'MMtH6zFRbAfCxH8pC1vwMrezj6LVWH/EJEux1y4SHVc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )