Sandbox

SELECT 
  1 
FROM 
  cscart_june_setuplock_keys 
WHERE 
  key_id = 'beeb46b81cdef6e90c0b58abf37a54863219f0483b4f6febfceef4a258215f18' 
  AND token = '3wt0XRMpn5TD6VvdDXpcIOPPKkHrSMdfafmZwdeVQHI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00032

JSON explain

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