Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '14a488010ad4cd63ef16ee8a198789132367d37ca460e2b7566eb03bedb18585' 
  AND token = 'l2lG4XaMVMsuDNzV7ISgokpR6BIv/eYb4xLEFSj3QU8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00053

JSON explain

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