Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'ffc630954753c7592609e0e7643e06e765914a1b28204b0ef815ef6d1a32cb22' 
  AND token = 'G46TybNeI0feXrQnuRlCWU51rILr/KxgZjsN9El/LhQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00048

JSON explain

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