Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '07a304bf7f1c56f38c6ee6bf8d153c4cfe9bd75dbb67ef6d89eb615c59600ce7' 
  AND token = 'nT5XYmL5evHvEOApzoZMKrIyFwBV83wBs6NmfR1DcNk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00027

JSON explain

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