UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UM/dacaGgHC0uhvBQzcOuXRpGAU4dQeouVG8Pn5dAG0=' 
WHERE 
  key_id = '4e5e5dfb6b8d104eb133f046b83d3cdb69650151790142a264dab54d3bd2e976' 
  AND (
    token = 'UM/dacaGgHC0uhvBQzcOuXRpGAU4dQeouVG8Pn5dAG0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )