Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'b7a863c9ccc7c2cb83999394e0cc6aee2bb1a134be40c1ed7b9fe25eb05a6160' 
  AND token = 'mbpiDCjY5HD5ktdUyhNyX2DxmJkhu5nvLFeUA/2L3M4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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