Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '80534b15ae7ab22205a0d14d9b9ca4be5d706203ffd7ef95ba5b6d1e91e520dc' 
  AND token = 'zOcu5azZ0Qu9hIk1eNPdV6f4ZXJm2c84hCQfLSP2ong=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

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