UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G4P2keKIvoE3VPo76V9EiEAVdL4wkVRjLlIxh8dWXMI=' 
WHERE 
  key_id = '853eb01aa161786bb6657dec73034dd85cbe9521cf7bca090b33e26a0028a37d' 
  AND (
    token = 'G4P2keKIvoE3VPo76V9EiEAVdL4wkVRjLlIxh8dWXMI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )