UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SLsmJfnS37mD0e65oxqRiWipL9tKry1DP0KenDDBrgM=' 
WHERE 
  key_id = '3453337f40fe3a3e3affb0fc52795aad6d76f97cd3e187c37c47742f3d654d7e' 
  AND (
    token = 'SLsmJfnS37mD0e65oxqRiWipL9tKry1DP0KenDDBrgM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )