UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kzqdhLt800zXK40z9ZnPHO1aEbgtVslPuZm1lUzgE/Q=' 
WHERE 
  key_id = '737052857d437a3a2a85def1af8b4d260823f2b5c903513c1a962829fae1e2d0' 
  AND (
    token = 'kzqdhLt800zXK40z9ZnPHO1aEbgtVslPuZm1lUzgE/Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )