Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '5a7806825eb2062b4d8b4d357a7ff61f5acd935883c683b173e2abcb508537ab' 
  AND token = 'q2MnXdcyBRD8Z/brwIekAVTcINwN4CIE8N4Lo8W5ewg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00034

JSON explain

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