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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '07650c0a6f9c454d87c552679e9a4a3ae6c977bba7c8c5322d8154b3ac845fac' 
  AND token = 'xj0Z4bNuqA/B7mqNEFRqOgUaHq7Nz1jkngjDr7lsZdE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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