Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'd7613e2218d8fce97102f2f29d7c5e7de9176fd837a50adbb39aad4d52d40c6d' 
  AND token = 'oaO08CNZRAMx2/bO9x/k+THq9p8Jj0RII+C0/jIXCSk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00041

JSON explain

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