UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k3A6Vj1x5+UBOp8JtCEkDcdWrNTo1UHZNLpzWtUZ0V0=' 
WHERE 
  key_id = '493773fa6ef666ef29b49ccaf4379947af232423850bc9fdaeff93d7e78b11ff' 
  AND (
    token = 'k3A6Vj1x5+UBOp8JtCEkDcdWrNTo1UHZNLpzWtUZ0V0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )