Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'b065c68705f0b74fec0e29b1ea06f3a2f0991338b6630a143022ee6bab6a9664' 
  AND token = 'e9mRII2BcZKEDSCAGXaI0+t/T4kg/CkP/sJYFozJuvo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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