UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oXPvtCpNtJ+o6+A4cfeuMT1XjJFNHG/0PWiTWUDP/bw=' 
WHERE 
  key_id = '6a4812df9b6e262820684d40d27a8b8992936ab0ed37e68097f3992ee176d521' 
  AND (
    token = 'oXPvtCpNtJ+o6+A4cfeuMT1XjJFNHG/0PWiTWUDP/bw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )