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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'fa1ca44d8b8c025ade81ac7b8f94a93f657e23b7b4bf9e74d41697b0ef031501' 
  AND token = 'muizOlIhwfCT/soBCXKEhUGiOjrlP+08Qanifa7QD9U=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00015

JSON explain

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