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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '9d18defa8b3ab82c2756c48f939e15ab9436d3f244cb391430a3f0d96ac8bb5d' 
  AND token = 'hbhFq2JjLZV0Ixjs0j4tjAxUbWPOaUao04dPuo5+qtg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00035

JSON explain

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