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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '22e9d357d14e88be4d1fd115423a9ea7773cf7d3741b8655b48d294130769bf1' 
  AND token = 'rQRdXJ3U/m9f11tMVy9Sd1xwmfR+TkI4nrnvAqnFu/Y=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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