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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '3d1ae219734170a6f65c6318d0aa497bd9cc9fb2e8129ceea40a9a08607b11a2' 
  AND token = '05WkH7Q2Rhg0BR0TF0rRgDd+fxpWGv2mTkvT7xUs6C4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

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