UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cqMX4KnVd50YlFt2zQPkw1PxoMlkx2PItMSRMEF8NN8=' 
WHERE 
  key_id = 'd1843533aabdaf6a69ee045de14d0cce009b4fea789caf3302733a7ed5c088c4' 
  AND (
    token = 'cqMX4KnVd50YlFt2zQPkw1PxoMlkx2PItMSRMEF8NN8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )