Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '77cdcb864f5dd0beb4ca775b46be9c44e6c97ac53d4edc92ed904ef752656a0b' 
  AND token = 'A7Bcr5zTg0tlV/n4YIShPBTv6g+ACkxzae/BZP1zJlQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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