Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '11962b588debc332274e82775878da4c677ffa0f7fb7bd8ce4f221c00c154511' 
  AND token = 'V17e6D3y6cl3Fn1AAdHm4L7CAKAyCycmymzG/+jqwD4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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