UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PGnEvlIGvVwEgJZqTwJ7gUN1A52CwYR6/vx6TyQflo0=' 
WHERE 
  key_id = '2621ee306fc596c7776a7ac42b2214091bc82fee64a21fe57815f455388b9c78' 
  AND (
    token = 'PGnEvlIGvVwEgJZqTwJ7gUN1A52CwYR6/vx6TyQflo0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )