Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '236fd00bb2fe7ac58e601a4a31486f07dc0889694e4822061182926e891856ef' 
  AND token = 'xvs3prqcYYgZbL4U2xJpqmjF8VrS2Y5KYO8sB7AeMIM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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