UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MeqXc/ZE2ityhlctPKbwJmdrhfOotUUJG6znodDI+XQ=' 
WHERE 
  key_id = '55bd457ee0f74c31a64882b89c05300df5b8e078a3bd9f80e434246ad2043d5b' 
  AND (
    token = 'MeqXc/ZE2ityhlctPKbwJmdrhfOotUUJG6znodDI+XQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )