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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '60a858ca0515bc9a3a57248a1fa89d63f0eaa9d675ec85276070846e2cc6bfe6' 
  AND token = 'itHkqdegxPz8tRhLFfXc6F4J9Kg50hz24G9Uy3lfT+o=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00021

JSON explain

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