UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KhTJulgZk93PMYT5wuYbt2nQZoSgNO68t3Aa4kKnk8w=' 
WHERE 
  key_id = '5cf7402bb25e5db9d1f40547484e6092dfead0da8ff27bc899e95be7cf6a9e42' 
  AND (
    token = 'KhTJulgZk93PMYT5wuYbt2nQZoSgNO68t3Aa4kKnk8w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00042