UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tlfFXuvWX6Qa0hBkVm2mpzY9LgMS8ogSLpQJf4DMtGc=' 
WHERE 
  key_id = '75e34501872fd9753b083cf4bfdd6da51225de7a4f8530211a18014975d9999d' 
  AND (
    token = 'tlfFXuvWX6Qa0hBkVm2mpzY9LgMS8ogSLpQJf4DMtGc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )