UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KHgucD+ql49FdylGSx1ZhaRjz1FcvZcCaBonzPY8B3s=' 
WHERE 
  key_id = 'b738281d274bb6edd7286246923b197929631864e521243acdf9e3cfa51a09de' 
  AND (
    token = 'KHgucD+ql49FdylGSx1ZhaRjz1FcvZcCaBonzPY8B3s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )