UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b/4TRgLy6GnLB3O2KHFyD7Ue0IUx9D+ka627Zznk7s0=' 
WHERE 
  key_id = '83a29817e9d8e4cb370772b69b15927187b6ab9c4134c538b7afed663472a7cd' 
  AND (
    token = 'b/4TRgLy6GnLB3O2KHFyD7Ue0IUx9D+ka627Zznk7s0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )