UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U0q2+Y4YZyY89rSsDtFXRpsLQk6NV8ngIFsYdrtdX3I=' 
WHERE 
  key_id = '540fbc96ec23de9c32658376317d4058425c69920fab76a36ae4983d16223eee' 
  AND (
    token = 'U0q2+Y4YZyY89rSsDtFXRpsLQk6NV8ngIFsYdrtdX3I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )