Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '6d62ec1c9743aeef852f2c97cf81a8d6293a016bcb969d863f7958a55a1ac959' 
  AND token = 'EwLGUS6qLUWhDs6F7XcNdNTgcJ0FtwXU3KcxF8oORqQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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