Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '418022c0e22152d5169ef57536edac7e13a5b90f6792c8b19bf3322d8976d671' 
  AND token = 'rPU9j55Z4Dis31Th2B5SjgtlrFgv1h0Nwao3Uhl0u58=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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