Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '090e05d04205ee19db7759e9484d835be58b3ab339301923a09c4c633bbd1e29' 
  AND token = '7Y3I7xYPlrAL9LSxxZrd+jOflg4BcKWdH0z88UNDkOQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

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