UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mkcre1+29Yp4oWMAMuimj4gTBQseBSfhZH+JSIPYZo0=' 
WHERE 
  key_id = '97d8099759ac5cb540964231dc5dbc7b956b093b91b6459f8048c6910edd446a' 
  AND (
    token = 'Mkcre1+29Yp4oWMAMuimj4gTBQseBSfhZH+JSIPYZo0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )