UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zmw4FSnTVmTrQD29gApfI2MEql8Tuey78+eoq7SEqTA=' 
WHERE 
  key_id = '19c992dc50f565ffce716f134c2d70a2dc9b322b8d570758040964111dae8d86' 
  AND (
    token = 'zmw4FSnTVmTrQD29gApfI2MEql8Tuey78+eoq7SEqTA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )