Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'debc9622a0f99a71f9ce90e08e9078a63f68056fbe526ffc7186cd6909ba5b01' 
  AND token = 'mxQszE4nYDfag/HNGXrm8c8ISKC1WZnGwCxy42hD+MQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00098

JSON explain

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