UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ayG4B79egUXixaL3Wtxw+iGoFv2M3t3ZPAa3mpZoXFY=' 
WHERE 
  key_id = '59a371e3bb445c953d859c6edc93397d1df3ace56af1afd85ef225b771cae27a' 
  AND (
    token = 'ayG4B79egUXixaL3Wtxw+iGoFv2M3t3ZPAa3mpZoXFY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )