UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MVKP5i1vAv9QMzGX37kp/Qdg9OhVlGQMSleztfVHlNQ=' 
WHERE 
  key_id = 'b8eef4f3971193a4c4d14ef907a2430ba7c08264973df3bde3bd024c40651540' 
  AND (
    token = 'MVKP5i1vAv9QMzGX37kp/Qdg9OhVlGQMSleztfVHlNQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )