Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '2cbacd04e1430fff78771126207a9b86e3a27603a5fafaf019ee81e82e1a1113' 
  AND token = 'zbt1T2yP9RZD3F5q0dwJWac/96LBPr6IboOcxgcx3w8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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