UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QMESywVtRyv9ZWgcYABYb8WL+gf/gwAEdrefCgR1Myw=' 
WHERE 
  key_id = '8e51b5608821eb919dfa7d687c60159dc571f9c6eaeaa22432f825378a674f86' 
  AND (
    token = 'QMESywVtRyv9ZWgcYABYb8WL+gf/gwAEdrefCgR1Myw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )