Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '494dc65f51f22ded9b1c7f3446216549acabb7783b406f30b60c739b3fd1ba34' 
  AND token = 'X1jVgHxp0N/pz8iZ7kPKIWdOlbVwyAOK1dzyIFeBF24=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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