UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W/HOQghqfsw7oQr0K/U0WGumHiKB21KJPXTslEDY+iY=' 
WHERE 
  key_id = '55e1b961ffe3457778cecedd82e20622a9e8de994991b2f58c4d849f84474849' 
  AND (
    token = 'W/HOQghqfsw7oQr0K/U0WGumHiKB21KJPXTslEDY+iY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )