Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '05ca4753aba228005bc29454fc36b089ed160590854087a4473da3cb9cc40681' 
  AND token = 'j1KSIfKmUJ18O7eTZ6K3cRWdTK90lC3KR2cXlIo6JXg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00034

JSON explain

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