UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lvN5yYzHJLuT/wOcsXH16kwriIYOivJjH4C4n41HWCo=' 
WHERE 
  key_id = '68960000539079e0ddfd0e268d94f84ebb49e9014ee4f8af96d8b9eb2a9a7b2c' 
  AND (
    token = 'lvN5yYzHJLuT/wOcsXH16kwriIYOivJjH4C4n41HWCo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )