UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ojQUXeR8wRqzxjdhKjc3X5PzH10+GUZR1y9iguOMOPM=' 
WHERE 
  key_id = '68af7ccd98197ebb62631141efd3920e1050c3a1db6c767139a17e3e11367faf' 
  AND (
    token = 'ojQUXeR8wRqzxjdhKjc3X5PzH10+GUZR1y9iguOMOPM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )