Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'e4ded6be3c48665bd4d278b3fcd9f28b61b4a833dec66182aa2aa311ceb5608e' 
  AND token = '13wU7O8TWPAGOYdL94sB3peAAzXAc6yopqEnvfUCHrU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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