UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AwDd2ygWJo+w2FcQtkYo8ryrnuzhjKXFu7kYY69O8FY=' 
WHERE 
  key_id = '3a6977687475261049c3052189385e19ad375d748ce89f40b76989401593173d' 
  AND (
    token = 'AwDd2ygWJo+w2FcQtkYo8ryrnuzhjKXFu7kYY69O8FY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )