Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0a421bc5cc9c3bbba691f97954ec78bb0025c998789fc6b126d4aab4b9909963' 
  AND token = 'osXEy+cCVS0cxa1/n/V5b7o8q9wSPZgGnfD7iBBT+4A=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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