Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'ab393f7f862e4575daf45c9107df7867736ec8ecb133bc5d336bf813f951a08e' 
  AND token = 'JkpL8fFRK754aIBgLUjzZZb5Z/Gbevbm0rjFa1jh3sk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00053

JSON explain

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