UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'epoF2sE3L2Y3M+MA8gA3Dj2RKc+QAvecVUf/eWruxMg=' 
WHERE 
  key_id = '5c23c0e1659e82914519de15efdab36448da6cb8b9bc23de9239836af3fd4510' 
  AND (
    token = 'epoF2sE3L2Y3M+MA8gA3Dj2RKc+QAvecVUf/eWruxMg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )