UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AtFB6eQL7tL90H2YbO+P3dki4qqcamTBDEu99XQVoQs=' 
WHERE 
  key_id = '819c6bea9b79f1fde4404392049fe7f588b2d2868e1304b5eede865a19e4d31b' 
  AND (
    token = 'AtFB6eQL7tL90H2YbO+P3dki4qqcamTBDEu99XQVoQs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )