UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k3ih13ONQ/BOjVdjGRTZMsFw7x2XeJ8Ro3w9RYd612c=' 
WHERE 
  key_id = '75d990fa9e486bad5663783f1a37e873d219cc23af55929e438fa33ecae1ddc3' 
  AND (
    token = 'k3ih13ONQ/BOjVdjGRTZMsFw7x2XeJ8Ro3w9RYd612c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )