Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'b61df0f0b2df18a961487bf6bc86ea5f751ab3bc494643c082d7bca7a1873bb0' 
  AND token = 'GqkhA6PVQi89/Sw4Lj3P1IqvFOjwE2VER4QQoIplP84=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00023

JSON explain

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