Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1acb6195e9f23c9093554505d4de07cced1c634c46dd6ed248454e0f43b1b3a1' 
  AND token = 'QX0fbqxNb9y81d6zRPsILbTetH/nDEk8Mas4jpMBXN0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

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