Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0914763ff23e225cdc80b197eabe0eb95f2714a23c8c9ff46d0cf32bbad29dad' 
  AND token = 'YwcxY2CLZaOwtVFKnr3M6Uypg1a2V6cCm7K7HVpGoDU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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