Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '8c2da38d94fee510a38666d4ba9f2b4beef11bfb6aad7e1fe4c097065b081b6b' 
  AND token = 'Nz1LO9aWVPCSfOwCtw798Flp5DgEx+LoYeujpbpybX0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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