Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'e5a59d7f033b6b3ad10b1f807ee5e690f795dc7e3e01129b53e5f57a5513d8bf' 
  AND token = 'bjCcTJYXEwJtfa3lWJQaDBqt2/CAsD8X3v98J8Bsxyc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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