UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G4g7nM3XMFOcDbKp0wi9a4dWDPgouapBkwp5GlAVKmg=' 
WHERE 
  key_id = '82a2dc47b56b8a3369537381f0497fecac3807dd40c3d108dc1a0e15953378d0' 
  AND (
    token = 'G4g7nM3XMFOcDbKp0wi9a4dWDPgouapBkwp5GlAVKmg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )