Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'be4c9ea233de0d973bec990b12810568ce873906ef804fa26476e4156f1a199a' 
  AND token = 'xCz9BUFi/ZaOrfWLc5Li8Vm7MSZFKiGutyG7THaIsp8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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