Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '6787b3261db20c0f7c23b600cafed9f7dbed1030208d78cea1d7e170ca53f3dc' 
  AND token = 'qig7aswSkQkwuEwhhUG6Q/x3cTNF9kGr+eFctXi/Zkw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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