Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '12e066748773aaa4b409c299c30d60aee8cfdec1cbb762b0dc03b6a12620a0e8' 
  AND token = 'vuFWZATMGHEr/b5Mk6oCOMNKGlImn/TixSD0BX5aO2U=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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