Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '09e98cbdaeb5f641951273b02428a81d2a2d0adab418c923307e991bc721e8d6' 
  AND token = 'Vcu1W7sH89PJyHfHz8u7MU6E/aHO0mxrNFWy0ni6CKI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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