UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ia6eaWzp/HxlPNhn/il6V2+GsAM0nU4YLVZblCVs/ts=' 
WHERE 
  key_id = '21abb2f44f23bdcc4fc5206619daf4dad9fbdcc0c4d02a4806a22e0424658e51' 
  AND (
    token = 'ia6eaWzp/HxlPNhn/il6V2+GsAM0nU4YLVZblCVs/ts=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )