Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'c8d8d06c0797b85d171aa55cd827502af3025d1ab7597341d2ddca73cfc57359' 
  AND token = 'JtBK7hSGsGvGurmqJWWta10eclmtqhhgFZenVhn2qoM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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