UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PaQ3D4tXk16mAgFwWzOnMaPQvkDsj8eMGG4eMhp99ms=' 
WHERE 
  key_id = '7c861aa3a4e859bf3fa6bc7a64b05206f97aa20e28215a51db0b302ba878f490' 
  AND (
    token = 'PaQ3D4tXk16mAgFwWzOnMaPQvkDsj8eMGG4eMhp99ms=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )