Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'd7c0989c8709feb278b88b7d974b036feaf7fd27edd0f5da1020d994feffefe6' 
  AND token = 'w2hL3KZ7NVC+2XNt5r9sUS3BFqhwWkHDRrVngokLd1E=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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