UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nja4KuzUBPbgJKlqk84aPyjzpMSFcCSrOgG3LJbMuNM=' 
WHERE 
  key_id = '49153d2b4bd56b7197278e5a9a337ec0331b18418a6b2d23507f4d82a333b2bb' 
  AND (
    token = 'Nja4KuzUBPbgJKlqk84aPyjzpMSFcCSrOgG3LJbMuNM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )