Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '577b5f829be85bca3e2bd647698c5a4b4f123370059308b584466642526749c9' 
  AND token = 'uk89Yme5e+fjsx2I8TPqXLmeAf0/QR5URSJPmx8O0zs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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