UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'an4B1gxC1zRexZ6H4o4GUsMmb5KhnjfhSiC6N6lfYyA=' 
WHERE 
  key_id = '6eb2fd77caa916e55857b82910071e6ca753a15ce1a25aaff7dfe85fb51fae4d' 
  AND (
    token = 'an4B1gxC1zRexZ6H4o4GUsMmb5KhnjfhSiC6N6lfYyA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )