Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '07da7dca8f817952b5d4756d4deb7459fdee0a682cea344857bfbfa59aabf580' 
  AND token = 'ZNfV/IoMPCniRKnQqdeQ4ghVDkgWkb5i0VqSoZCbcZc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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