Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'e3791e25b830097b21c76c21b1e865330c6b6850637614ea90cd1aef9ddb1149' 
  AND token = '1Yk5R2hjMnI/wt4S/M/aV8tj7A+450HkkaXiDF8zDZw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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