Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'a1c05f97f491af0fa1da4613bf9947867571454431c435ec90094fba8d906e4e' 
  AND token = 'lcnHH0KsyYEBk2P4DRXNofcWt/sMgSISLsqCNjk5n7E=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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