Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '7ed4f33c169a09c380d572ac8c2cda5fbed29b84b1893458dfb9443fc2114692' 
  AND token = 'amRSN2TQ881zZflzrXoTglNDq7IcF6fvZVOi92NNZ6M=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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