UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k/R3DjC1A7hvCVPpRBibJF6K86V3/MTMKnvkS8sGpAE=' 
WHERE 
  key_id = '7977895a4b78a9d8a6ac5c5f101e61305da2e1a52dedf7ff7dd0b245e9d95a84' 
  AND (
    token = 'k/R3DjC1A7hvCVPpRBibJF6K86V3/MTMKnvkS8sGpAE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )