Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'dc724668e805754e7da9caaa3d7a3227bfab83174a76a5be4d3852fb1d701e27' 
  AND token = 'kQdtEx6EJ8d/GW/s2Bs4VhbPhjA5LwrWI1IfaItarpo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00023

JSON explain

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