UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WDXEJTLXWMrbLnFE1U2l0FWDDS0xA5KqqRbKHuLOnw0=' 
WHERE 
  key_id = '554adf4013e747bebd829dc4015d3dcde0a2c13489c51f5325863facc368de06' 
  AND (
    token = 'WDXEJTLXWMrbLnFE1U2l0FWDDS0xA5KqqRbKHuLOnw0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )