Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0cdd041db3dc946d412fb770e38077e499ee537033036efbd969e07f082c9a97' 
  AND token = 'XQ6XTLmrNZAD4QNwG1M3x2y3sRlF/C6m37JgPOhTrWU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00067

JSON explain

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