Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '56f7dc8ec7d0aaaab406592dea03659c9957776301aa584f3cfa7922a24258b1' 
  AND token = 'dG5Rum3CTrLo1uHe0pzlF5IdMK11K/9ju3Qd8IPjICs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00015

JSON explain

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