Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '67c50e24d928fe725a6d05550abd244bb1b9a42b420226e0a0fc98f2513efd79' 
  AND token = 'KxkckM2LlULP6R32yeO5x1nh4ggxsnOSK0S2iR7Ztu0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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