Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1f224f5e4f5ad6f2fafd9135044f0df9d0d3b4cfb0cf99cf07ccb7d1c2ad2a8e' 
  AND token = '1uvfg4tUrTHFG2q9xTeY97RLMpPhAgQsDw2p2KpYaYQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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