Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1a0a611c4fb9518a10e3d4e9def3461ccbea82f79d0107c0779d3d0a98b03a4a' 
  AND token = 'QPsLzvDdmO3YFWs5uAscDNdz2vNUZ9g9sBExq0j12QY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}