Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '22ca29f413696e14466dc227a3abb1ae79ffa0f29372c4e4998412c43a8a1df9' 
  AND token = 'JjwOTV0PWR84HH4POpYmTK1XzeK9GrnKAHHm3Ikdpq0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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