Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1aa0a0feaba83020ed5d55f698c132fc09beb9a532ba6a38c632a7551b22745f' 
  AND token = '7/GrWqmAkJSkC3BmA0j2EoUU3/GrNRSmM7U2sHYWEWg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00015

JSON explain

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