UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gx3rLsm47n7CDehrabzq/0BvwVqNj1Sb8d21kgH0Xec=' 
WHERE 
  key_id = 'c634c742280139100eba804acab38854c1b184dcebd3e2475edc0c78f6a48fd8' 
  AND (
    token = 'gx3rLsm47n7CDehrabzq/0BvwVqNj1Sb8d21kgH0Xec=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )