Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '62cdd760220c358f18072a8674650ac4703f10bbdf08772abf8e69a2fe2b3941' 
  AND token = '4PKQhI6zP7hw0a8n2d8/R+rcmz94u9+8ev2PjiZOXWE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00036

JSON explain

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