Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '240860c2d34acd202282ddb00dc65f6a54bbb994f362b8d441ac08684f06af12' 
  AND token = 'al6Y+k0hw9A4OT4m5Xhqz4kJkDIwfapmSzwpTL7AIYY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00016

JSON explain

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