Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '145b92b180b4521ce7453c97bcf31db2d5f4784c788f25e24dd07ca7c6daa021' 
  AND token = 'GEttBzyVvXwXFhDLTLVirWNa5ACRP+tZNauodsQUcEQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00045

JSON explain

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