UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = '6U7oijaK8jwY+dFm9HkuPox51grrAAk/dVuAJets/JE=' 
WHERE 
  key_id = 'd506986ddbe64cda7ff85c8fb8ccbef4a6b24518013cb4bab529e3fa9a47baab' 
  AND (
    token = '6U7oijaK8jwY+dFm9HkuPox51grrAAk/dVuAJets/JE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )