UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i2NJ8zvvgoHKjpE39NO5PyljTd/DV1ew7itJPV4JT2I=' 
WHERE 
  key_id = '521c66d15bb7938e947b64ee8631e46065c64228cdefc47f52e5552868ac2fb8' 
  AND (
    token = 'i2NJ8zvvgoHKjpE39NO5PyljTd/DV1ew7itJPV4JT2I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )