UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CuuTwQeM+JVltlTtt1Jru1z3iq/xlmq9v/rqpNmuY2c=' 
WHERE 
  key_id = '2e281b68965648d86eadcc1e046dc37af807dfe0091dc7536e6dec4cf376bd2f' 
  AND (
    token = 'CuuTwQeM+JVltlTtt1Jru1z3iq/xlmq9v/rqpNmuY2c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )