UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'A8DX8K8YhY9caRBjq5r+ghpD7SyBfRZjDMU+bjo6sME=' 
WHERE 
  key_id = '21ae5955cfcd6c2aeda7465c8ce68b65e8f508493559fc092f0eec502d509f87' 
  AND (
    token = 'A8DX8K8YhY9caRBjq5r+ghpD7SyBfRZjDMU+bjo6sME=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )