UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/fHzDER48E2fJ75UoyPGV1xSRTGPXh/MIuOpPzCDC1c=' 
WHERE 
  key_id = 'a42f8e196a3bfd27040324c3c3635d7d329114d82d251bb31cb68b12eff07e43' 
  AND (
    token = '/fHzDER48E2fJ75UoyPGV1xSRTGPXh/MIuOpPzCDC1c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )