UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nR5SbewrQjVk4QNxx0kpD8mGFBgXW2M5oshzrRJCSQc=' 
WHERE 
  key_id = '79476b222843103f2869d17546c5d0d62246ac071a1c25bd72ec14ab448b3686' 
  AND (
    token = 'nR5SbewrQjVk4QNxx0kpD8mGFBgXW2M5oshzrRJCSQc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )