Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'fcc73d5f870491900894bab29bd5425081c161f8cd45e2bc0f862694837af1bd' 
  AND token = '7set7FJ6FqIkITXKA6t8POo8up6+DfZkmJqlKn4MMeI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00036

JSON explain

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