UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KpxUauJzTZ6oIkea+kUAb3i86MeahlMoAsVSIvA5aug=' 
WHERE 
  key_id = '90d0d54e3aacaa85e1915ce543c5de73248874ec03c5800701a736e6f0b9e337' 
  AND (
    token = 'KpxUauJzTZ6oIkea+kUAb3i86MeahlMoAsVSIvA5aug=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )