Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'f45f70dc308631321929e48cadc050d3bed42d4adffbb8bfa1596fa28e692e61' 
  AND token = 'hOELuPXr9FcZiNXVujD5rXiPRwkJoYRaJvX0ZCJtwUw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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