Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'cbb09a16bf7aaa4e5a923a401a9cdfc9e22785d26c92d7618175d4e352a06a55' 
  AND token = 'CXFYPUUf0iUhkeCV5PnCYBxODkp0H2AJW5mJUIy9lA4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}