Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '001e961f408f0de1a2bd5ac55971cca574e71465a8bb626c436ea438f4679695' 
  AND token = 'lV6OWSE88kmYkyyPGLhr821wLrjhFNXUcJW6DY/bDHQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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